List of Road, bridge and tunnel materials products

Easily connect pipes with different outer diameters! A fitting suitable for emergency repairs of buried pipes.

• others

Easy to install and highly reflective, effective even at night.

• Road signs and road accessories

This is a rubber corner guard essential for safety measures in parking lots.

• Road signs and road accessories

Examples of the introduction of speed bumps in public facilities to encourage slowing down and safe driving are now being distributed!

• Road signs and road accessories

Examples of the installation of speed bumps on public roads to encourage deceleration and slow driving, creating safety, are now being distributed!

• Road signs and road accessories

Distributing examples of the installation of speed bumps on public roads and facilities to encourage deceleration and slow driving, creating safety.

• Dam construction
• Parking lot facility construction
• Road signs and road accessories

Durability has significantly increased and fading resistance has greatly improved! It is definitely cheaper than conventional products.

• Safety and consumables
• Road signs and road accessories

By placing the step-free slope "Eco Step Plate" at the steps in parking lots or in front of entrances, it enables shock reduction and smooth entry and exit.

• Car and bicycle parking facilities
• Parking lot facility construction
• Road signs and road accessories

For traffic management within the facility! Installing lane separation markers for restricted access areas and vehicle guidance, as well as speed bumps in slow driving and stop areas, will enhance saf...

• Car and bicycle parking facilities
• Parking lot facility construction
• Road signs and road accessories

Promoting safe driving within the factory! Preventing sand runoff onto public roads, starting with reducing speed and making temporary stops. Durable enough to withstand super heavy trucks like large ...

• Car and bicycle parking facilities
• Parking lot facility construction
• Road signs and road accessories

To prevent rear-end collisions and crashes at commercial facility entrances! Encourages vehicles to slow down or stop while in motion, increasing attention to the front. Also reduces the need for traf...

• Car and bicycle parking facilities
• Parking lot facility construction
• Road signs and road accessories

Enhancing awareness of deceleration within large buildings! Encouraging vehicles in motion to slow down or come to a stop, while increasing attention to the front. Also helps reduce the number of traf...

• Car and bicycle parking facilities
• Parking lot facility construction
• Road signs and road accessories

Safety measures for internal roads and parking lots! Encouraging vehicles to slow down and stop while in motion, increasing attention to the front. Also helps reduce the number of traffic control pers...

• Car and bicycle parking facilities
• Parking lot facility construction
• Road signs and road accessories

Safety measures in medical facilities! Encouraging vehicles to slow down and stop while in motion, and increasing attention to the front. Also helps reduce the number of traffic control personnel.

• Car and bicycle parking facilities
• Parking lot facility construction
• Road signs and road accessories

Safety measures for store entrances and exits! Encourages vehicles to slow down or stop while in motion, increasing attention to the front. Also reduces the need for traffic control personnel.

• Car and bicycle parking facilities
• Parking lot facility construction
• Road signs and road accessories

Safety measures for store entrances and exits! Encourages vehicles to slow down or stop while moving, increasing attention to the front. Also reduces the need for traffic management personnel.

• Car and bicycle parking facilities
• Parking lot facility construction
• Road signs and road accessories

We will protect the livelihoods of those involved in agriculture.

• Protective fence

For the safety measures of children and students! Encouraging vehicles to slow down or come to a stop while in motion, and increasing attention to the front. Also helps reduce the number of traffic ma...

• Car and bicycle parking facilities
• Parking lot facility construction
• Road signs and road accessories

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

• Road signs and road accessories
• others

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)

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

• Road signs and road accessories

Accurately catch the snow on the roof! A snow guard device that ensures no snow sliding phenomenon occurs, providing peace of mind.

• Snow melting equipment

Easily concrete any soil.

• Foundation construction
• Road construction
• Paving Materials

A fence is installed at the end of the drainage ditch with two bolts! Drainage facilities that eliminate wasted space.

• Gutters and U-shaped gutters
• Protective fence

Non-slip with good walkability! A natural stone-like colored paving material that excels in weather resistance.

• Exterior and paving materials <General>
• Paving Materials

Centrifugal PC stair block Pioneer Manufacturer Kanto Concrete Industry Co., Ltd.

• Outdoor stairs
• Gutters and U-shaped gutters
• Concrete block, ALC panel, extrusion molded cement board construction

Free distribution of "NJ Technical News" featuring technical information from Nisshin Japan!

• Reinforcement and repair materials
• Exterior and paving materials <General>
• Paving Materials

Leave everything related to water treatment, civil engineering, and construction materials to us.

• Water Treatment
• Solar Goods Solar Lighting
• Protective fence

Introduction of various concrete products for roads, sewage systems, and agricultural land!

• Concrete sheet piles and piles
• Tensioning and connecting blocks
• Gutters and U-shaped gutters

A compact and simple structure rubber bearing device!

• Earthquake-proof and vibration-damping equipment
• Bridge Materials

Corresponds to pedestrian and bicycle fence type P! A fall prevention fence that is thoroughly made with locally sourced cedar wood.

• Protective fence
• Gates, walls and fences

Able to accommodate a wide range of installation conditions! A prestressed wooden slab bridge that can also address environmental measures.

• Bridge Materials
• Bridge Construction

Utilize round logs as they are! With adjustments to the number of beams, it can accommodate a wide range from pedestrian bridges to forest roads!

• Bridge Materials
• Bridge Construction

Remake the aging cast-in-place drainage ditch! Easily adjust the height with bolts!

• Gutters and U-shaped gutters
• Renovation and repair methods

Remake the aging cast-in-place drainage ditch! Easily adjust the height with bolts!

• Gutters and U-shaped gutters
• Renovation and repair methods

Registered with NETIS! Equipped with a distributed water collection function and soundproofing features, cost reduction is also achievable.

• Gutters and U-shaped gutters

Registered with NETIS! Precast guardrails & guard pipe continuous foundation blocks

• Protective fence

Registered with NETIS! We flexibly accommodate the longitudinal slope of the road.

• Gutters and U-shaped gutters

Monodrain is a drainage pipe made by knitting polyester monofilament into a tubular shape and wrapping it with a permeable filter.

• Slope protection material
• Drainage material
• Tunnel Materials

Remake technology for weathered and damaged gutters! Height adjustment is possible with adjustable bolts.

• Gutters and U-shaped gutters

A method for remodeling damaged gutters! Usable for road crossings and sidewalks.

• Gutters and U-shaped gutters

A method to prevent the growth of weeds on roads! Securely guarded with the interlocking of blocks and pavement.

• Road facilities

A dispersant that is useful for the maintenance of not only paved roads but also unpaved roads, schoolyards, and sports fields.

• Snow melting equipment
• Medicines
• Subsidiary materials

Waterproof layer, asphalt sheet that blends well with pavement, sandwich structure.

• Paving of sidewalks, roads, parking lots and stadiums
• Paving Materials
• Bridge Materials

Special solvent-based adhesive with excellent adhesion and elasticity.

• Paving of sidewalks, roads, parking lots and stadiums
• Paving Materials
• Bridge Materials

Smooth construction. Prevent dirt on the roads around the construction site!

• Road construction
• Paving of sidewalks, roads, parking lots and stadiums
• Paving Materials