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

L-shaped retaining wall for residential land designed to withstand medium-scale earthquakes.

• Retaining wall

L-shaped retaining wall for residential land designed to withstand large-scale seismic motion.

• Retaining wall

A retaining wall constructed by stacking blocks in a π-shaped configuration, which can be widely used not only for cantilever retaining walls but also for U-shaped retaining walls and partition walls.

• Retaining wall

The products are integrated with dedicated fittings and filler concrete! They can be widely used at the top.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A drainage flume with a high water collection function in a comb-type design.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A large-section box that combines three segmented precast components with cast-in-place concrete.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A large-section arch culvert that uses a combination of two-part precast components and cast-in-place concrete.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Drop cover type U-shaped drainage ditch according to JISA5372 Appendix E recommended specifications E-2.

• Secondary steel products
• Foundation construction
• Other civil engineering works

U-shaped side ditch with upper lid according to recommended specifications E-2 of JISA5372 Appendix E.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A ditch that can properly set the drainage slope and form a vertical rectangular flow section.

• Secondary steel products
• Foundation construction
• Other civil engineering works

L-shaped retaining wall with the base direction used in reverse of the usual.

• Retaining wall

A large block retaining wall that creates a 5-degree slope simply by installing the product.

• Retaining wall

Circular waterway with continuous drainage ditches in the longitudinal direction.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Boundary block according to JISA5371 Appendix B recommended specifications B-2.

• Secondary steel products
• Foundation construction
• Other civil engineering works

L-shaped drainage ditch according to JISA5372 Appendix E recommended specification E-4 and JISA5371 Appendix C recommended specification C-1.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Precast protective fence foundations standardized in accordance with the "Installation Standards and Explanations for Protective Fences," adaptable to road alignments.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A method for widening sidewalks by extending them, allowing for an expansion of approximately 2.5 meters to be constructed in a short period of time by installing on existing roads.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A cantilever road widening method that allows for a maximum road widening of 1.75 meters to be constructed in a short period by installing it on existing roads.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A construction block that enables significant shortening of construction time by integrally molding the side wall of the tunnel monitoring staff passage and the circular water channel.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Large reinforced concrete drainage flume used for drainage channels according to the Agricultural Civil Engineering Association standards.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Large reinforced concrete flume used in water channels according to the Agricultural Civil Engineering Association standards.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Standardized dimensions from top width 0.6m × height 0.8m to top width 2.0m × height 1.5m! Lightweight type three-sided water channel.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Standardized upper width 0.6m × height 0.6m to upper width 1.5m × height 1.5m! Drop lid type three-sided water channel.

• Secondary steel products
• Foundation construction
• Other civil engineering works

We provide high-quality construction work at a lower cost!

• Other civil engineering works
• Dismantling and moving

Leave it to us for everything from general waste to industrial waste!

• Waste treatment facilities
• Other resource recycling
• Collection and transportation

Supports high embankments with an arch shape! Precast bottom drainage pipes with a flexible joint structure.

• Other civil engineering works
• Prefabricated Concrete Products

Agricultural Civil Engineering Association Standards! L-shaped water channels that can be freely configured within the standard width of the waterway.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Three-sided waterway that can be directly connected to a box culvert conforming to the association-type culvert cross-section.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Bench flumes used for field maintenance and land development.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Three-sided water channel for irrigation and land development.

• Secondary steel products
• Foundation construction
• Other civil engineering works

By converting on-site drop-off work to precast, significant reductions in construction time and improvements in productivity can be achieved.

• Secondary steel products
• Foundation construction
• Other civil engineering works

L-shaped retaining wall with fence foundation that can be easily installed.

• Retaining wall

Retaining wall constructed with precast products and single-sized crushed stone.

• Retaining wall

Concrete slabs that can be used for covers of ditches along roads and farm roads, as well as for crossings over waterways.

• Secondary steel products
• Foundation construction
• Other civil engineering works

NEXCO (formerly JH) specification retaining wall and soundproofing panel

• Secondary steel products
• Foundation construction
• Other civil engineering works

Artificial ground used as a tsunami evacuation guidance deck made of precast prestressed concrete members (Pca・PC).

• Secondary steel products
• Foundation construction
• Other civil engineering works

Disaster toilets installed in evacuation shelters during emergencies.

• Secondary steel products
• Foundation construction
• Other civil engineering works

By making the swimming pool underground, the upper area can be used for the schoolyard, parking lot, park, etc., and by replacing the bottom slab with crushed stone, it can also be utilized as an infi...

• Secondary steel products
• Foundation construction
• Other civil engineering works

A plastic rainwater storage tank assembled by fitting together plastic components.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Prefabricated avalanche protection using prestressed concrete.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Prefabricated rockfall and landslide protection using prestressed concrete.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Avalanche protection fence to prevent snow from collapsing on steep slopes.

• Secondary steel products
• Foundation construction
• Other civil engineering works

Rockfall protection fence to prevent slope-type rockfalls at the toe of the slope.

• Secondary steel products
• Foundation construction
• Other civil engineering works

A simple retaining wall that achieves "productivity improvement." It contributes to labor and effort reduction!

• Retaining wall

Slabs for crossing short-span irrigation channels such as farm roads.

• Secondary steel products
• Foundation construction
• Other civil engineering works