List of Civil Engineering Materials products

100% recycled gypsum derived from waste gypsum boards is reused as raw material, achieving effective carbon neutrality during manufacturing!

• Gypsum board and moldings

Developing equipment and technology for air conditioning, water supply and drainage, and kitchen drainage!

• Air conditioning equipment
• Water Treatment Plant
• Water supply facilities

Cleared experiments for seismic resistance, pressure resistance, and durability! L-shaped retaining walls that eliminate the need for on-site pouring and achieve shortened construction periods.

• Civil Engineering Method
• Concrete Retaining Wall
• Concrete block, ALC panel, extrusion molded cement board construction

L-shaped retaining wall that achieves further labor-saving and shortened construction time! New Wallcon improved type!

• Civil Engineering Method
• Concrete Retaining Wall
• Concrete block, ALC panel, extrusion molded cement board construction

Even in areas regulated for land development, it can be used freely! Contributing to effective land use and labor-saving in operations!

• Civil Engineering Method
• Concrete Retaining Wall
• Concrete block, ALC panel, extrusion molded cement board construction

Easy installation for shortened construction time! High strength and excellent cost-effectiveness precast concrete products.

• Civil Engineering Method
• Concrete Retaining Wall
• Concrete block, ALC panel, extrusion molded cement board construction

High-quality and diverse product range of snow guards for metal roofs!

• Snow melting equipment
• Other fittings

We handle a wide range of products from hundreds of manufacturers!

• Piping materials (copper pipes, cast iron pipes)
• Water and sewerage pipe fittings
• Fittings

Electric wires with high electrical characteristics, heat resistance, chemical resistance, and mechanical properties.

• Road facilities

A mysterious road where you can hear melodies!

• Road construction
• Road facilities
• Other civil engineering services

Ideal for construction in narrow sites! A self-supporting retaining wall method that does not require a base slab, offering high flexibility during construction.

• Retaining wall
• Concrete Retaining Wall
• Special Construction Method

To eliminate the step in the parking lot and to make the store barrier-free!

• Road facilities
• Subsidiary materials
• Road signs and road accessories

Can be installed in both existing and new setups! A floating suppression method that does not affect the manhole during normal conditions.

• Manhole body
• Ground foundation construction method
• Earthquake-resistant construction method

Maintains high strength performance and non-shrink properties! Grout material suitable for repair and reinforcement work using the press-in method.

• Reinforcement and repair materials
• Bridge Materials
• Tunnel Materials

For high-pressure cleaning of drainage pipes in various factories and facilities, trust K's Ecology Technical with 20 years of experience!

• Sanitary fixtures
• Gutters and U-shaped gutters
• cleaning

A specialized company for pipe bending processing that can handle small quantities of various types and complex bends!

• Water and sewerage pipe fittings
• Piping materials (copper pipes, cast iron pipes)

Select materials suitable for the operating environment! Pumping pipes compatible with various pump manufacturers.

• Piping and insulation
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

Essential for ditch cleaning! A ditch cover remover that easily lifts heavy covers.

• Work tools
• Gutters and U-shaped gutters

Prevent the inflow of the sand cushion layer to the subgrade surface! Achieve a stable pavement surface!

• Paving of sidewalks, roads, parking lots and stadiums
• Civil Engineering Sheet

Reduce costs with temporary weed control! Prevent the rooting of invasive species and the emergence of weeds from beneath the sheet.

• Paving of sidewalks, roads, parking lots and stadiums
• Civil Engineering Sheet

Supports any shape! A device to prevent grating from bouncing up.

• Grating

We will protect the livelihoods of those involved in agriculture.

• Protective fence

High reliability and speedy installation work! Introducing product features and lineup.

• Water and sewerage pipe fittings

Aluminum that does not corrode! Cost reduction too!

• Water and sewerage pipe fittings

Leave all matters related to various steel pipes and their associated fittings to us!

• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

It is possible to select products suitable for the purpose of use, installation location, installation period, and design.

• Road signs and road accessories
• others

Convenient for shortening construction time! We will unitize piping materials according to the drawings and ship them! Total costs will also be reduced!

• Piping materials (plastic pipes)
• Fittings

The technology of Kowa Industries, active in your local area! Centered around 12 factories, we leverage each of our technologies to enhance customer satisfaction.

• Bridge Materials
• Piping materials (copper pipes, cast iron pipes)

Consistent safety, reliability, and cleanliness! A safe and clean piping system.

• Piping materials (copper pipes, cast iron pipes)
• Piping Equipment

Introducing a variety of flexible hoses such as blade hoses, straight hoses, and corrugated hoses.

• Piping materials (plastic pipes)

Introducing a variety of flexible hoses, including union color types, hexagonal nipples, and lever coupling types.

• Piping materials (copper pipes, cast iron pipes)

Harmony with the landscape is possible! We create a more natural scenery with a varied arrangement of artificial rocks.

• Various blocks
• Tensioning and connecting blocks

Rainwater permeates into the ground, restoring the natural landscape over time! Excellent workability of the laying blocks.

• Various blocks
• Tensioning and connecting blocks

We contribute to environmental issues through the project of purifying contaminated soil.

• Septic tank equipment
• Soil improvement material

LED warning sign using a reflective sheet with 100% reflective surface!

• Road signs and road accessories

We can pulp a wide variety of raw materials!

• Paper wallpaper
• Landscaping materials
• Other park materials

High-power, large-capacity suction-type caulking gun!

• Work tools
• Joint material
• Roof and gutter construction

Construction evaluation improvement! Easy installation! Metal spacer for spraying 'CK Spacer'

• Rockfall prevention agent
• Other civil engineering works
• Special Construction Method

Lightweight soil suitable for everything from large-scale rooftop greening to a single small planter.

• Fertilizers and Pesticides
• Soil improvement material

Cardboard that can directly package fresh fish! Passed food hygiene inspection! Excellent water resistance for food use cardboard.

• Other park materials

Just by layering, a strong structure is built! Suppression of rainwater runoff and effective utilization!

• Rainwater tank
• Rainwater infiltration facilities
• Other civil engineering works

Lightweight and compact, so transportation is smooth! Just cross and stack each layer!

• Rainwater tank
• Rainwater infiltration facilities
• Other civil engineering works

High void ratio! Plastic storage material that efficiently collects rainwater. Numerous construction examples introduced!

• Rainwater tank
• Rainwater infiltration facilities
• Other civil engineering works

No need for pipe coating removal or threading work! Thanks to the mechanical method, connecting to existing pipes and working in tight spaces is easy!

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No need for coating removal or threading work! Connection with polyethylene pipes achieved with a single fitting!!

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No need for pipe coating removal or threading work! PVC pipe connections can be made without applying adhesive, allowing for connections with different types of pipes!!

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)

No need for coating removal or threading work on the inner and outer coated steel pipes! A convenient mechanical joint that does not require disassembly, featuring a disengagement prevention function ...

• Fittings
• Piping materials (copper pipes, cast iron pipes)
• Piping materials (plastic pipes)