List of Civil Engineering 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

Our unique development and technical capabilities create cutting-edge systems that revolutionize traditional marine operations.

• Coastal construction

Safer, more reliable, and more efficient. Introducing new methods and systems in marine civil engineering projects.

• Coastal construction

The installation and removal of the base-mounted cable by diver pin insertion and removal is unnecessary.

• Coastal construction

Deformed steel bar

• Steel
• Dam construction
• Steel construction

This is an explosion-proof outlet for hazardous environments that has passed Japan's domestic explosion-proof type certification.

• Supply Technology
• Tunnel construction

Effectively utilizing the generated pyrolysis gas! Waste plastic that was difficult to dispose of is transformed into energy.

• Waste treatment facilities

Systematization of housing evaluation operations! Clearly explaining the utilization image and benefits.

• Other Software
• Database
• Residential foundations

Easily implementable from a single computer! A proposal for software that supports a sustainable society.

• Residential foundations
• Database

We propose survey methods and plans that are suitable for your objectives and current situation in the field of geological surveys. *Over 60 years of experience.

• Other earthworks, foundation works, and exterior floors
• Surveying Consulting
• Other civil engineering services

Heat-resistant paving material that suppresses the temperature rise of the pavement surface.

• Car and bicycle parking facilities
• Paving of sidewalks, roads, parking lots and stadiums
• Exterior and paving materials <General>

You can use this to reduce the risk of accidents caused by heavy rain and prolonged rain, share information, and alleviate work burdens.

• Disaster prevention supplies
• Agricultural civil engineering works

A soundproof device has been created that takes into consideration noise for neighboring residences and physical strain for workers!

• Road construction
• Foundation construction machinery

Speeding up construction and improving safety! In urban areas, it is possible to install sidewalks with minimal land use.

• Paving of sidewalks, roads, parking lots and stadiums

Due to the cantilever structure, excavation of the mountain-side ground is unnecessary! A cantilever road widening method that takes into account both the environment and costs.

• Paving of sidewalks, roads, parking lots and stadiums

We combined two frequently used socket sizes into one socket!

• Foundation construction
• Fittings and fittings work

Ideal for drilling holes in laminated wood, hardwood, and sleepers.

• glue
• Road construction
• Special wooden structures

Integrated management from measurement processing to billing and payment processing through automatic linkage! Customizable with options such as branch collaboration, freight, and inventory management...

• Aggregates and crushed stone
• Sewerage facilities
• others

Achieving a high-level and efficient production system with reliable technical skills and equipment.

• wood
• Structural Materials
• Foundation construction

This is a brush designed for side-to-side shaking.

• cleaning
• Sweeping vehicles, grass cutting vehicles, road surface regeneration machines, snow removal machines
• Paving of sidewalks, roads, parking lots and stadiums

Two-stage collection bucket with scraper and brush

• cleaning
• Road construction
• Agricultural civil engineering works

The high unsinkability "monocoque type" and the "separate type" that allows for the selection of appropriate components based on usage.

• Bridge Construction
• Harbor Construction
• Other earthworks, foundation works, and exterior floors

Efficiently control rainwater in limited space!

• Earthquake-resistant construction method
• Special Construction Method
• Rainwater infiltration facilities

It is easy to improve the bearing capacity of weak soil.

• Earthworks

Feed, concrete, etc. High-speed mixing!

• Concrete construction
• Concrete Machinery
• Earthworks

Decomposing fungi attached to organic matter will also break down, reducing the fungi to zero.

• Waste treatment facilities
• Water Treatment Plant

This is a rust preventive water-soluble liquid compliant with RoHS and REACH environmental standards.

• Rust Inhibitor
• Other earthworks, foundation works, and exterior floors
• others

Phytoremediation of oil-contaminated soil using highly oil-resistant grass. It is a low-cost, low-burden oil contamination countermeasure that does not require on-site purification or residual soil tr...

• Other park materials
• Ground improvement materials
• Ground improvement

A permanent injection material that improves quality in the long term! Suitable for foundation improvement work such as seismic reinforcement construction!

• Airport facilities
• River construction
• Ground improvement

Applied as an important survey method since the past! Leave the physical exploration in mountain tunnels to us.

• Geological Survey
• Geological Survey Company
• Site and ground investigation

There are many cases where cavities and underground installations present in the foundation ground become obstacles in design and construction!

• Geological Survey
• Geological Survey Company
• Site and ground investigation

Utilizing the property of increased elastic velocity! We will indirectly estimate the ground conditions from the layer thickness.

• Geological Survey
• Geological Survey Company
• Site and ground investigation

Utilizing various methods! We provide surveys and observations tailored to regional characteristics.

• Site and ground investigation
• Environmental Survey
• Geological Survey

Reduce the rotation speed of the brush cutter's cutting blade to a safe level! Prevent "property damage accidents" caused by flying stones and "cutting accidents" due to kickback in advance!

• Erosion control works
• Sweeping vehicles, grass cutting vehicles, road surface regeneration machines, snow removal machines
• maintenance

Alert from the Consumer Affairs Agency!

• Erosion control works
• Sweeping vehicles, grass cutting vehicles, road surface regeneration machines, snow removal machines
• maintenance

Compatible with 280mm wide blades. New model released in 2017! Prevents "property damage accidents" caused by flying stones and "cut injuries" due to kickback!

• Erosion control works
• Sweeping vehicles, grass cutting vehicles, road surface regeneration machines, snow removal machines
• maintenance

Compatible with 280mm wide blades. New model released in 2017! Prevents "property damage accidents" caused by flying stones and "cut accidents" due to kickback!

• Erosion control works
• Sweeping vehicles, grass cutting vehicles, road surface regeneration machines, snow removal machines
• maintenance

Compatible with 280mm wide blades. New model released in 2017! Prevents "property damage accidents" caused by flying stones and "cut accidents" due to kickback!

• Erosion control works
• Sweeping vehicles, grass cutting vehicles, road surface regeneration machines, snow removal machines
• maintenance

Design registered! Achieving labor-saving in track maintenance with cordless technology!

• Railway Construction
• others

This is a high-pressure duct that forms ribs between the flanges, significantly improving strength. It is used for cylindrical formwork in civil engineering and construction.

• Road signs and road accessories
• Dam construction

This is a spiral duct made using zinc-coated steel plate as specified in JIS G3302.

• Bridge Construction
• Prefab

Yoshikawa Co., Ltd., a specialized manufacturer of powder and bulk material equipment, "Circle Feeder."

• Sewerage facilities

Please use the circle feeder rental service.

• Sewerage facilities
• Erosion control works
• Agricultural civil engineering works

Attention those troubled by ground improvement work! We have a wealth of information on selection methods for surface improvement work, friction piles, columnar improvement methods, and the characteri...

• Ground foundation construction method
• Ground improvement

Reliable initial dissolution and stable powder supply are the key factors for the dissolution device!

• Water Treatment
• Airport facilities
• River construction

Materials and designs are completely flexible. Sankin freely creates a better urban environment.

• Road signs and road accessories
• Paving of sidewalks, roads, parking lots and stadiums
• Road construction