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  3. 日本興業
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日本興業

EstablishmentAugust 10, 1956
capital201980Ten thousand
number of employees279
addressKagawa/Sanuki-shi/Shido 4614-13
phone087-894-8134
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last updated:Jan 18, 2023
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  • Products/Services(88)
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日本興業 List of Products and Services

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Shower Place Brick Type

A convenient shower and sink with a storage unit that allows you to wash dishes without bending over.

The "Shower Place Brick Type" is a convenient shower and sink with a storage cabinet that allows you to shower your pet or wash items without bending down. The pan is positioned at a high level, allowing you to work comfortably without stooping. The main body can be used as a storage cabinet for pet supplies and everyday items that tend to get cluttered. The design featuring antique bricks arranged around it is very popular. 【Features】 - The inside of the door provides convenient storage space - The inside of the pan has a non-slip brick pattern (water stop cap included) - Comes with an outdoor outlet - Design with antique bricks arranged around it - The refined straight grain texture creates a natural taste *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Water supply facilities

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Shower Place Short Type Retro Brick

New colors added to the stand-type "Retro Brick"!

The "Shower Place Short Type Retro Brick" has a sink positioned at a high level, allowing you to wash small pets and garden items comfortably without bending over, using warm water all year round. It can be installed in small spaces and comes with a storage shelf, making it highly functional. A new color variation, "Chocolat Brown (CBR)," has been added. 【Features】 ■ High sink position for comfortable working posture ■ Excellent functionality with a storage shelf ■ Warm water washing available year-round ■ Can be installed in small spaces ■ Includes a drain strainer with a hair catcher *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Water supply facilities

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Shower Place Color

The popular "Kororu" now offers a pet shower in its lineup!

"Shower Place Color" is a stylish faucet column with a simple and clean image, designed to match any scene. Please choose from five colors as if you were enjoying fashion. By installing the optional lead hook (sold separately), you can secure the lead during your pet's shower time. 【Features】 ■ Pet shower ■ Design that matches any scene ■ Available in five colors ■ Hot and cold water available *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Water supply facilities

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Comblet Roughwood

A new flooring material that reproduces the texture of wood in detail has arrived!

"Comblet Rough Wood" is a flooring material that faithfully reproduces the texture of wood down to the finest details. Being made of concrete, it eliminates concerns about corrosion and beautifully enhances the warmth of nature at your feet. 【Features】 ■ Faithfully reproduces the texture of wood ■ Made of concrete, resistant to rot and excellent in weather resistance *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Special flooring/outdoor
  • Shopping district, entrance area, eaves

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Compact Sink Liberta II

A stylish garden sink has arrived to enhance your garden!

The "Compact Sink Liberta II" is a garden sink that is compact yet equipped with sufficient functionality. With two faucets that rotate 360 degrees, it is easy to use and does not limit installation locations. The stylish sink pan enhances your garden with a vibrant green touch. 【Features】 - The rotating faucet makes it easy to fill watering cans. - The auxiliary faucet also rotates 360 degrees, expanding the watering range. - A stylish sink pan that stands out against greenery. *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Water supply facilities

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Constick Roughwood

A new combination item that realistically reproduces wood grain has arrived!

"Constick Rough Wood" is a combination item that realistically reproduces wood grain. With various combinations for use as posts for hammocks, benches, and gentle shades, it enhances the appeal of outdoor spaces and gardens. Options include hammocks, nameplates, and mailboxes. The hammock mounting hardware set has a bronze-plated finish, matching the antique wood look of Constick. 【Features】 ■ Realistic wood grain reproduction ■ Versatile combinations for use as posts for hammocks and benches ■ Comes with a brass logo plate ■ Hammock mounting hardware set available *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Shopping district, entrance area, eaves
  • Exterior and paving materials <General>

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Garden Table Series

A new tabletop has arrived for the convenient garden table in your yard! New colors have been added!

The "Garden Table Series" can be used in various ways, such as together with the "Garden Sink," planting your favorite flowers in planters, or enjoying tea in the garden. Having just one expands the possibilities of how to use your garden, making it a recommended item for outdoor living. With the addition of new tabletops and colors, the range of enjoyment has greatly increased. 【Features】 ■ Sink height same as that of a home kitchen ■ Large storage space created under the sink ■ New tabletops and colors added to the lineup - Color: Chocolate Brown (CBR) - Tabletops: Sherbet / Clover *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Tables and benches (chairs)

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Garden Sink Lo-Co-Coplus Stainless Steel Top

A large stainless steel sink makes its debut with a classical design!

The "Garden Sink Lo-Co-Coplus Stainless Steel Top" features a stylish, large, deep stainless steel sink that enhances your garden with classical wrought iron. An option has also been added: the flexible faucet "Swan Flex B." It is perfect for washing vegetables harvested from the garden and maintaining gardening items, making it a great addition to various garden scenes. 【Features】 ■ A larger sink that excels in garden scenes ■ Classical and antique-style wrought iron ■ Flexible faucet "Swan Flex B" (optional) *For more details, please refer to the PDF materials or feel free to contact us.

  • Gardening supplies
  • Water supply facilities

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Garden Sink Short Type Retro Brick Series

A popular compact-sized garden sink is now available in stainless steel and new colors!

The "Garden Sink Short Type Retro Brick Series" is a garden sink that enhances functionality in a small size. It condenses a deep sink that is easy to use and ample storage into a compact size. 【Features】 ■ Affordable price ■ Same sink height as a household kitchen ■ Large storage space under the sink ■ Available in regular and hose connection specifications ■ Convenient tool hanger and hooks (sold separately) *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Water supply facilities

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Garden Sink Short Type Rough Wood

Rough wood with the charm of American vintage beautifully enhances your garden.

The "Garden Sink Short Type Rough Wood" is a new garden sink that is compact yet designed for ease of use. It features a convenient hose connection that allows a hose reel to be permanently connected to the water supply piping of the main unit, making watering your garden a breeze. The rough wood, which faithfully reproduces the texture of wood, is made of concrete, ensuring it does not rot and has excellent weather resistance, making it suitable for various gardens, whether Japanese or Western. 【Features】 ■ Compact yet user-friendly ■ Comes with a brass logo plate ■ Hose reel can be permanently connected to the water supply piping of the main unit ■ Made of concrete, resistant to rot and excellent in weather resistance ■ Suitable for various gardens, whether Japanese or Western *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Water supply facilities

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Garden Sink Short Type Mo-Ett Series

The popular short type Mo-Ett series now includes stainless steel!

The "Garden Sink Short Type Mo-Ett Series" is a genuine outdoor sink that focuses on design and usability. As a great supporting actor for garden parties, it allows for enjoyment from preparation to cleanup, making it fun for everyone, including the ladies. Additionally, the popular stainless steel top for garden sinks is now available in a short type. The combination of wood grain Mo-Ett and stainless steel is perfect for a stylish garden. 【Features】 ■ Same sink height as your home kitchen ■ Large storage space under the sink ■ Mixed water faucet (stainless steel only) for a comfortable garden life throughout the year ■ Available in regular and hose connection specifications ■ Convenient tool hanger and hooks (sold separately) *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Water supply facilities

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Garden Sink Short Type Optional Parts

New items have arrived! The range of coordination has expanded even further!

The "Garden Sink Short Type Optional Parts" allows you to create your own unique garden sink using your favorite materials. An attractive original garden sink that matches your home, exterior walls, and surrounding walls is the dream of every gardener. The four types of sinks, including a stainless steel sink, have excellent weather resistance and durability, so you can use them with peace of mind. 【New Items】 ■ Tabletop Sherbet ■ Tabletop Clover ■ Short Top Stainless ■ Lo-Co-Co Plus Stand ■ Faucet - Swan Flex B - Keyed Swan Neck C - Keyed Long Arm C *For more details, please refer to the PDF document or feel free to contact us.

  • Gardening supplies
  • Tables and benches (chairs)
  • Water supply facilities

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Flood control products for internal water: "Barrier-Free Pave SI" and "Aqua Getter."

Quickly infiltrate and store rainwater on the road surface to prevent puddles and flooding. Reduce the burden on downstream areas through temporary storage.

Our company focuses on the "surface" of sidewalks and the "boundary line" of roadways, providing road materials that contribute to preventing surface flooding due to heavy rain through temporary rainwater storage. Rainwater can quickly permeate and be stored from the roadway surface into the storage tank, while it is slowly discharged from the storage tank to the subgrade, helping to control the volume of water flowing into drainage facilities and rivers. The products have obtained certification for rainwater storage and infiltration products from the Rainwater Storage and Infiltration Technology Association. 【Features】 Paving block 'Barrier-Free Pave SI' for surface storage - Achieves rapid drainage through a porous structure and slits with a spacing and width of 4mm - Can store 80L per square meter - Fitting shape minimizes the occurrence of steps and shifts after installation Gutter 'Aqua Getter' for linear storage - Lightweight, allowing for installation without the use of large machinery - Various widths and heights of products can be provided to suit site conditions - By installing an orifice at the outlet, the outflow volume to rivers and other areas can be adjusted. *For more details, please refer to the PDF document. Feel free to contact us with any inquiries.

  • Gutters and U-shaped gutters
  • Paving of sidewalks, roads, parking lots and stadiums
  • Rainwater infiltration facilities

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Rainwater retention ditch "Aqua Getter"

Storage in the 'drain' that exists in dead space! Rainwater storage can be achieved at low cost and with space-saving solutions.

The "Aqua Getter" is a rainwater storage gutter that is lightweight, eliminating the need for large machinery, making transportation and installation easy. By installing it in the position of existing gutters, it allows for rainwater storage as needed and enables effective use of the site in alignment with its shape. By placing an orifice at the outlet, it is possible to adjust the outflow to rivers and other bodies of water. It can efficiently capture rainwater through slits provided at the top of the gutter, thereby mitigating flooding caused by sudden heavy rains. 【Features】 ■ Quick installation for small-scale projects ■ Effective land utilization ■ Reduces road flooding ■ Lowers the burden on downstream areas *For more details, please refer to the PDF document or feel free to contact us.

  • Gutters and U-shaped gutters

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Sheet lining method "BKU method"

The BKU method is a sheet lining technique that protects concrete sewer pipes and concrete structures of sewage treatment facilities with synthetic resin plates.

These pipelines and structures are protected from corrosion caused by sulfate ions and microorganisms contained in sewage. Additionally, BKU plates not only have excellent corrosion resistance but also possess superior smoothness and abrasion resistance, making them suitable for a wide variety of applications.

  • Reinforced concrete construction

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Open shield method

A construction method that utilizes the advantages of both the open-cut method and the shield method!

The open shield method is a new open shield technique that has been improved to adapt the advantages of both the cut-and-cover method and the shield method for urban areas, agricultural drainage channels, and soft ground. It is the most suitable method for constructing underground structures such as box culverts in locations where excavation is possible but soil retention using sheet piles or similar methods is difficult.

  • Reinforced concrete construction

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Concrete product transport and installation device "Lift Roller Method"

It demonstrates its power in places where cranes cannot be used!

It is a groundbreaking construction method that can be used in narrow spaces where the installation of concrete products is difficult, allowing for transportation and installation.

  • Reinforced concrete construction

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Texpan method

It allows for significant shortening of construction time without the need for special techniques or skilled workers!

This is a construction method for a three-hinged arch structure that integrates earth fill and precast arch components, offering high stability against earth pressure and the ability to accommodate high soil cover despite the thin components.

  • Reinforced concrete construction

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Box culvert

You can freely construct waterway slopes and bottom plate shapes!

It is a portal structure composed of a top plate and side walls, allowing for the selection of the optimal structure based on site conditions from three types of foundation structures. By installing it over existing structures, protection of the structure can be easily achieved.

  • Reinforced concrete construction

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High Durability Embedded Formwork 'SEED Form'

This is a precast formwork that significantly improves the durability and crack distribution of structures!

This is a precast formwork based on high-strength mortar with a low water-cement ratio, which significantly improves the durability and crack dispersion of structures by incorporating reinforcement materials such as vinylon fibers. It has obtained the construction technology certification from the Civil Engineering Research Center.

  • Bridge Construction

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Flexible pressure pipe

With a track record of 2,000 km nationwide and overwhelming support, flexible performance is added to the pressure pipes!

The "flexible pressure pipe" can respond to Level 2 seismic motions as described in the "Guidelines and Explanations for Seismic Measures in Sewer Facilities" by allowing individual joints to move. By absorbing ground displacement at each joint, the stress generated in the longitudinal direction of the pressure pipe can be reduced, and the amount of pull-out and bending angles at each joint can be minimized. Additionally, we also handle seismic-resistant manhole joints for pressure pipes called "Round Press." 【Features】 ■ High strength ■ Easy and convenient installation ■ Compatible with Level 1 and 2 seismic motions ■ Excellent water tightness *For more details, please refer to the PDF materials or feel free to contact us.

  • Piping and insulation

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Expansion method for road widening "Road Plus"

Emergency vehicles can pass by regular passenger cars! It is compatible with Type B and Type C vehicle protection barriers!

"Road Plus" is a cantilever road widening method that allows for a maximum road width increase of 1.75 meters in a short period by installing it on the shoulders of existing roads. Due to its cantilever structure, excavation of the hillside is unnecessary, and the impact on valleys such as rivers and waterways can be minimized. By using precast products, temporary construction can be reduced, leading to shortened construction periods, and it can accommodate both large vehicle specifications and medium vehicle specifications according to regional characteristics.

  • Special Construction Method
  • Road construction
  • Protective fence

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Landscape drainage ditch

The waterway base can freely set the waterway slope through invert casting! It is possible to place the side ditch right at the boundary between public and private land!

The "landscape side ditch" is a type of side ditch that can be placed right at the boundary between public and private land by installing a grating at the edge of the ditch, creating a visually smart landscape feature. With minimal exposure of the surface part (cast iron grating), it excels in design and creates a beautiful landscape. There are two types of covers: "fixed cover" and "drop-in cover," allowing for adaptability to various conditions.

  • Gutters and U-shaped gutters
  • Drainage and water removal
  • Road construction

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Precast retention basin

Underground rainwater storage and infiltration facilities for effective land use!

As urbanization progresses in river basins, the water retention and flood control functions that the basins previously had are declining, leading to an increase in rainwater runoff. The "Precast Retention Basin" establishes this rainwater runoff control facility (rainwater storage facility, rainwater storage and infiltration facility) underground, allowing the surface to be utilized for parks, sports fields, parking lots, and other multipurpose uses. 【Features】 - A half-precast structure with box or stand components that have openings in the side walls, and a top slab that is precast with an inverted cast-in-place element. - Standardized products with an internal height of 1.5 to 7.0 meters (in 0.5-meter increments). - When the upper part of the storage tank is a park or parking lot (with a load-bearing capacity of 10 kN/m²), the applicable soil cover range is 0 to 1.5 meters (up to 3.0 meters depending on size). - Complies with the "Technical Manual for Precast Underground Rainwater Storage Facilities" issued by the Japan Sewerage New Technology Promotion Organization (including seismic performance evaluation). *For more details, please refer to the PDF materials or feel free to contact us.*

  • Flood prevention facilities, fire tanks, and flood control ponds

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Strong Wall SW Foundation Block/SW Foundation Hyper

Developed based on the keywords "crime prevention" and "disaster prevention and reduction"! Fundamental blocks to protect your life and home.

This product is a sturdy, long-lasting, and stable quality foundation block for fences. The combination of a cast-in-place finished design column that utilizes the characteristics of concrete and panels made of synthetic wood and natural wood creates a design that does not become overly inorganic, matching the appearance of various buildings. By arranging the panels in a louvered style, it blocks external views while ensuring ventilation. 【Features】 ■ Compatible with various fences (mesh and privacy panels) ■ Compared to independent foundations, it offers a larger effective area, allowing for better utilization of the site ■ Construction time is reduced by about 60% ■ Can be constructed even in bad weather, making project management easier *For more details, please refer to the PDF materials or feel free to contact us.

  • Fences, screens, and partitions

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Disaster Emergency Toilet "Silet"

Are earthquake measures in place? We need toilets that can be reliably used immediately after a disaster occurs!

"Sailet" is a portable toilet system designed to be installed in advance at evacuation sites in preparation for disasters such as earthquakes. When a disaster occurs, the lid can be opened, and it can be partitioned with a tent for emergency use. Due to its functionality and ease of installation, it has been set up in disaster prevention parks across the country. Additionally, we also offer disaster response benches such as the "Disaster Prevention Kamado Bench" and "Disaster Prevention Storage Bench," as well as rainwater retention permeable paving materials like "Barrier-Free Pave SI." 【Usage Instructions】 ■ Install in advance at evacuation sites such as schools or parks ■ Open the lid during a disaster for immediate use ■ After cleaning, return it to its original state as needed *For more details, please refer to the PDF materials or feel free to contact us.

  • Outdoor toilet unit

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Vehicle Protective Barrier Foundation Block 'SS Base'

The top part is wide, minimizing gaps and eliminating steps! It can accommodate various retaining wall and embankment structures.

The "SS Base" is a foundation block for vehicle protective fences used on the roadside. In addition to its protective function against colliding vehicles, it also considers the safety of pedestrians. It features a connecting structure that can accommodate curved and longitudinal installations, capable of handling a curvature radius of up to 7m for inner curves and 15m for outer curves. It offers economic efficiency comparable to that of cast-in-place protective fence foundations and can be used with L-shaped retaining walls, block retaining walls, reinforced earth walls, and lightweight embankments. 【Features】 ■ Excellent safety - The overhanging structure at the top and end components consider pedestrian safety. - Performance has been verified through static full-scale testing. ■ Excellent economic efficiency - Comparable economic efficiency to cast-in-place protective fence foundations. This product has been registered with NETIS (SK-160015-A). *For more details, please refer to the PDF materials or feel free to contact us.

  • Protective fence
  • Road construction

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Sidewalk widening block (projecting sidewalk) 'SS Stage'

Design tailored to site conditions is possible! A cantilever structure that does not obstruct the flow section of waterways, suitable for sidewalk widening blocks.

The "SS Stage" is a block for sidewalk widening that is installed on the shoulder of existing roads to expand the sidewalk width from 1.0m to 3.0m. By expanding the sidewalk width within limited road space, pedestrian safety is ensured. Depending on the site conditions, the height of the front wall can be adjusted to match the height of rivers or cliffs, and it features grooves for reinforcement to facilitate smooth construction. 【Features】 ■ Excellent maintenance after construction due to its RC structure ■ Side ditches and guardrails can be installed on the back side of the sidewalk ■ Excellent constructability as it does not require temporary works ■ The height of the front wall can be changed ■ Design can be tailored to site conditions ■ The height of the poured concrete can be adjusted *For more details, please refer to the PDF document or feel free to contact us.

  • Concrete block, ALC panel, extrusion molded cement board construction

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Rapid construction type concrete vehicle rigid protective fence "RS Guard Fence"

Good workability and possible shortening of construction time! A concrete vehicle rigid protective fence that makes insertion work during tensioning easy.

The "RS Guard Fence" is a concrete vehicle rigid protective barrier that can be used in the central area of highways and high-standard roads. After installation of the product, tensioning work with PC steel wire and mortar filling at the joints can be performed, resulting in good workability and a shortened construction period. Additionally, by using two strands of PC steel wire for connection, the diameter of each strand is reduced, making the insertion work during tensioning easier.

  • Protective fence
  • Road construction
  • Reinforced concrete construction

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Precast Simple Floor Slab "N Slab"

We also offer options with slits! It features oval-shaped patterns on the surface, making it an aesthetically superior precast simple floor slab.

N Slab" is a standardized slab that can be used for agricultural water channels and roads. Due to its installation-only construction, the site can be opened on the same day, significantly reducing the construction period compared to on-site casting. We also offer the precast simple slab with slits, "Slit N Slab.

  • Reinforcement and repair materials
  • Bridge Construction

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NK-style box lateral pulling method

The air membrane significantly reduces the friction resistance between the foundation and the blocks! Excellent workability allows for safe construction!

The "NK-style box lateral pulling method" is a box culvert installation technique suitable for narrow spaces and areas under elevated structures where conventional construction using cranes is difficult. The equipment itself is compact and does not require large-scale construction equipment or power, allowing for excellent workability and safe construction. It is suitable for locations where the transportation and installation of blocks using cranes cannot be performed due to overhead structures such as elevated roads or overhead wires, and where sufficient temporary roads for cranes or trucks cannot be secured for movement and installation. 【Features】 - The equipment itself is compact and does not require large-scale construction equipment or power. - Excellent workability and safe construction are possible. - A suitable method (air or roller) can be selected based on construction conditions. *For more details, please refer to the PDF document or feel free to contact us.

  • Renovation and repair methods

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Precast drainage basin "NK Mas"

Two types are available due to differences in shape and use! A dedicated basket that prevents garbage from entering can be installed.

The "NK Mass" is a type of mass with a flat exterior that makes it easy to install drainage products. There are two types, Type 1 and Type 2, which differ in shape and use. Type 1 features a drop lid and is compatible with three types of U-shaped drainage. Type 2 has the same overall width as the free gradient drainage and does not have any protrusions. Type 2 sizes 600×600, 800×800, and 1000×1000 can also be used as masses for heavy pressure pipes (small to medium diameter). Additionally, there is a dedicated bottom foundation base for this product called the "NK Mass Base." 【Features】 ■ The top width fits perfectly with the drainage width ■ A dedicated basket is installed to prevent debris from entering ■ A steel receiving frame prevents corner chipping (anti-slip processing) ■ It has a cutting groove (10mm deep) for easy cutting (Please use a hand cutter for cutting work.) *For more details, please refer to the PDF materials or feel free to contact us.

  • Manhole body

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Rectangular Manhole 'NK Box Manhole'

Ensure sufficient strength and durability! Capable of adapting to various conditions, it is possible to construct manholes suitable for the site!

The product is a box-shaped assembly manhole developed to improve workability. Since it only requires sequential assembly of precast components, it does not need skilled workers for complex rebar or formwork tasks. Because the top slab and bottom slab are integrated with the side walls, it has high rigidity against openings, and by using bolt connections, it ensures high integrity and water-tightness. 【Features】 ■ Easy to install ■ High integrity ■ Excellent site adaptability ■ Compatible with circular and rectangular openings ■ Stable quality

  • Manhole body

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IB box culvert

Two types available! Box culvert with flexible and earthquake-resistant rubber ring joints.

This product is a box culvert equipped with special rubber rings on each individual block, providing flexibility, seismic resistance, and water-tightness. There are two types, IB10 and IB50, depending on the size of the protrusion, allowing for differentiation based on required performance. The structure incorporates IB rubber rings at the inlet of the box culvert, and installation is the same as standard boxes. 【Features】 <IB10 Type (10mm Protrusion)> ■ Does not change the joint shape or dimensions of the standard box, which has a proven track record ■ Structurally reliable and economically advantageous ■ Applicable range / nominal dimensions □1000×800 to □4000×2500 ■ Obtained construction technology review certification from the Public Interest Incorporated Foundation, Sewerage New Technology Promotion Organization *For more details, please refer to the PDF materials or feel free to contact us.

  • Various blocks
  • Earthquake-resistant construction method
  • Reinforced concrete construction

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Intersection Use Free R Continuous Foundation

Shallow soil coverage allows for the installation of short and safe protective fences! Intersection-type flexible continuous foundation.

This product is a foundation block that enables the installation of protective fences and protects pedestrians. By increasing the foundation cross-section (width), safety is ensured over a short extension. The post installation holes are reinforced, ensuring safety with a depth of 250mm. Additionally, the sidewalk area has a point height lowered by 80mm, allowing for the installation of pavement and interlocking, which does not compromise the appearance of the road. 【Features】 ■ Safety ensured over a short extension (5m) ■ Foundation height of 300mm ■ Easy installation ■ Compatible with post installation at 250mm ■ Consideration for aesthetics This product is registered with NETIS (CB-050040-VE). *Discontinued product *For more details, please refer to the PDF materials or feel free to contact us.

  • Concrete block, ALC panel, extrusion molded cement board construction
  • Road construction

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Precast concrete rainwater underground storage tank "Mini Gate"

A structure with excellent seismic resistance! A precast underground water storage system that balances economy and safety!

The "Mini Gate" is a precast underground storage system developed with the primary goal of being economical and easy to maintain. It allows for the free combination of precast components on the planned site area, making effective use of the land. It is an excellent structure with seismic resistance against earthquake motions equivalent to levels 1 and 2, and because it is underground, the land above can be used for various purposes such as parks, schoolyards, and parking lots. 【Features】 ■ Advantageous for natural drainage ■ Easy maintenance ■ Effective land utilization ■ Flexible design according to the site ■ Shortened construction period and cost reduction ■ Excellent seismic-resistant structure *For more details, please refer to the PDF materials or feel free to contact us.

  • Prefabricated Concrete Products
  • Flood prevention facilities, fire tanks, and flood control ponds

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Chloroguard: Concrete Resistant to Deterioration from Salt Damage and Freezing Damage

Ideal for coastal areas and cold regions! Extend the lifespan of structures and reduce lifecycle costs!

"Chloroguard" is a concrete that is resistant to deterioration caused by salt damage and freeze damage. Precast products made with this product have excellent resistance to chloride ion penetration compared to products that do not use it, due to densification and the fixation of chloride ions, resulting in high salt damage resistance. Additionally, it excels in compressive strength, drying shrinkage characteristics, and resistance to freeze-thaw cycles, contributing to the longevity of structures. It protects structures from salt damage in coastal areas and regions where freeze prevention agents are applied. [Features] - Suppresses the progression of salt damage - Exhibits high compressive strength - Minimal drying shrinkage, reducing cracking - High freeze damage resistance suppresses deterioration - Prevents deterioration of steel materials by reducing chloride ion concentration This product has been registered with NETIS (CG-150009-A). *For more details, please refer to the PDF materials or feel free to contact us.

  • Ready-mix concrete

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Renewal method for existing gutters (W2R method) 'Repair Lid'

As part of the development of safe and secure sidewalks, we propose wide and easy-to-walk sidewalks!

"Repair Lid" is a high-functioning AS-coated cover for the W2R method that enhances uneven sidewalks and allows for the renewal of existing drainage ditches, resulting in a clean, easy-to-walk-on, and safe sidewalk. With asphalt paving on top of the cover, it eliminates rattling and creates a flat surface without steps, making it considerate for wheelchair users, strollers, and those using hand carts.

  • Gutters and U-shaped gutters
  • Road construction

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Renewal method for existing gutters: "W2R Method"

Streamlining operations for same-day release and shortening construction periods! Solving issues such as wanting to increase the water flow cross-section!

The "W2R Method" is a construction technique that involves cutting unnecessary parts of existing drainage ditches from the inside using a specialized cutter called the "W2R Cutter," and then installing a precast concrete cover known as the "W2R Drain Cover" to renew the ditch. Noise from chiseling with an electric hammer and dust generated during chiseling can negatively impact nearby residents and users. This method addresses those issues and contributes to CO2 reduction by alleviating traffic congestion through rapid construction without affecting existing sidewalks or private land. 【Features】 ■ The W2R Cutter can cut from the inside without damaging the drainage ditch. ■ The W2R Drain Cover has excellent workability. ■ The W2R Drain Cover excels in walkability and drainage performance. ■ It has minimal impact on existing sidewalks, private land, and surrounding residents, showing consideration for the environment. ■ The cutting surface of the W2R Cutter is smooth, and by installing the Pca cover after cutting, it enhances workability and shortens the construction period. *For more details, please refer to the PDF materials or feel free to contact us.

  • Gutters and U-shaped gutters

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Bicycle Path Maintenance-Compatible Ditch "NK Slit Ditch Type II"

Low-cost type drainage ditch considering the safety of two-wheeled vehicles!

This is a low-cost half-buried type drainage ditch that minimizes the exposed concrete surface and excels in safety for two-wheeled vehicles on the roadside. Rainwater can be collected through the slits in the exposed surface, and drainage from permeable pavement is possible through the openings on the top surface of the main body. 【Features】 - A drainage ditch designed for bicycle paths with excellent safety - Expanded width for bicycle travel (150mm exposed surface) - Complies with the guidelines for creating bicycle-friendly environments, accommodating a transverse slope of 2% - Collects water through slits at the ends and supports drainage from permeable pavement - Economically advantageous - Can accommodate variable slopes This product has been registered with NETIS (SK-170004-A). *For more details, please download the PDF or feel free to contact us.

  • Gutters and U-shaped gutters

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Oblique Large Box Culvert "FA Box"

A large angled box culvert that enables shortening of construction time and labor reduction!

The "FA Box" is a construction method for building large-section boxes that utilize a combination of three-part PCa components and cast-in-place concrete. By adopting a separated structure (segmentation) for the top slab and side walls, it has become possible to standardize responses to sites with angled configurations. Additionally, at the joints between components, in addition to water-stopping gaskets, the application of waterproof materials and the use of waterproof sheets are also employed to enhance the water-stopping effect. This product has been registered with NETIS (QS-110006-VR).

  • Bridge Construction

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Hand Wash Sink "Essential for Handwashing"

A hand wash sink that makes hand washing more accessible and easier!

"Wash Hands for Sure" is a hand wash sink that can be installed retroactively for immediate use, making it suitable for places where people come and go, such as stores, businesses, and homes. When equipped with a separately sold cabinet set, it can conceal the dustbin under the sink as well as the stock of paper towels and hand soap. Additionally, we offer two types of faucets designed to prevent water from running while washing hands. You can choose the appropriate type based on the user and installation location. 【Features】 ■ Easy assembly for immediate use ■ Hygienic, no need to touch the faucet ■ Eco-friendly with reduced water flow *For more details, please download the PDF or feel free to contact us.

  • Washbasin, hand washing basin, sink

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Interlocking Paving Block "Barrier-Free Pave"

Pavement material designed with the concept of universal design, allowing anyone to walk comfortably!

"Barrier-Free Pave" is a type of interlocking paving block developed by our company with the aim of creating an environment where everyone, from children to the elderly and those with disabilities, can safely and comfortably navigate the city. The continuous groove width, which is the same as the minimum joint width, reduces unpleasant vibrations. Please feel free to contact us if you have any inquiries. 【Features】 ■ 4mm joints and 4mm slits that minimize unpleasant vibrations when traversed by wheelchairs and other mobility aids ■ Interlocking shape that integrates the pavement surface  ・ Reduces unevenness after installation and over time  ・ Prevents shifting during earthquakes  ・ A sturdy shape that minimizes unevenness even when joints open  ・ Flexible structure that adapts to surface deflections * For more details, please download the PDF or feel free to contact us.

  • Secondary paving products
  • Paving of sidewalks, roads, parking lots and stadiums

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