List of Civil Engineering Materials products
- classification：Civil Engineering Materials
1981～2025 item / All 9907 items
100% recycled gypsum derived from waste gypsum boards is reused as raw material, achieving effective carbon neutrality during manufacturing!
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- 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
Lightweight, easy to install, and economical! Water channel flume compatible with cross-sections from 250 to 600! Includes installation examples.
- Gutters and U-shaped gutters
The length of the block can be freely set according to the combination! Introducing our weed-blocking blocks! With construction examples included.
- Various blocks
It has a scouring effect, making it difficult for sediment to accumulate! Variable invert pouring is possible! Includes construction examples.
- Gutters and U-shaped gutters
We offer various products such as pedestrian and vehicle boundary blocks that can be used for deep groove circular side ditches! With construction examples included.
- Gutters and U-shaped gutters
The standard sizes range from 300×400 to 300×1500! Resistant to sediment accumulation! Includes construction examples.
- Gutters and U-shaped gutters
The standard sizes range widely from 300×400 to 300×1500! The bottom surface of the water channel is circular, providing a flushing effect! Includes construction examples.
- Gutters and U-shaped gutters
Dirt and sand are difficult to accumulate! The grating can be removed, making cleaning easy! Includes construction examples.
- Gutters and U-shaped gutters
A slim product with a grating-type drainage channel! The circular bottom of the waterway provides a flushing effect! Includes construction examples.
- Gutters and U-shaped gutters
Top lifter compatible! The price is less than half that of our own grating products! Adopted for design at Sendai Freight Terminal Station! Available for delivery to other prefectures!
- Gutters and U-shaped gutters
Effort-saving and effective! Remaining formwork.
- Concrete Retaining Wall
Exhibiting at the Advanced Construction, Disaster Prevention, and Mitigation Technology Fair in Kumamoto 2024 and the Construction Technology Fair 2024 in Chubu!
We are planning to exhibit at the "Advanced Construction, Disaster Prevention, and Mitigation Technology Fair in Kumamoto 2024" and the "Construction Technology Fair 2024 in Chubu." We hope you will visit us. **Exhibiting at the Advanced Construction, Disaster Prevention, and Mitigation Technology Fair in Kumamoto 2024** - Name: Advanced Construction, Disaster Prevention, and Mitigation Technology Fair in Kumamoto 2024 - Dates: November 20, 2024 (Wednesday) 10:00 AM - 5:00 PM / November 21, 2024 (Thursday) 10:00 AM - 4:00 PM - Venue: Gran Messe Kumamoto (1010 Fukutomi, Mashiki Town, Kamimashiki District, Kumamoto Prefecture) - Booth Number: D44 **Exhibiting at the Construction Technology Fair 2024 in Chubu** - Name: Construction Technology Fair 2024 in Chubu - Dates: November 28, 2024 (Thursday) 10:00 AM - 5:00 PM / November 29, 2024 (Friday) 10:00 AM - 4:00 PM - Venue: Port Messe Nagoya, Hall 3 (Nagoya International Exhibition Center)
Concrete formwork panels used for the restoration of landslide damage in Atami.
- Concrete Retaining Wall
In the event of sudden flooding, the lightweight waterproof board "One-Touch Board" can be quickly installed.
- Water stop
【Safety Assurance】Outstanding visibility with a sign height of 1,100mm, one of the largest in the industry! Can also be used as a substitute for arrow boards and traffic cones.
- Road signs and road accessories
We offer various types of plastic extrusions. Please consult us for mold production, prototyping, and mass production. We also accept orders for our products.
- Tunnel Materials
2025 Good Design Award" winner! Mitsuba Drain has also been selected as "My Chosen Item.
The announcement of the 2025 Good Design Award (organized by the Japan Design Promotion Association) was made on October 15, 2025. This time, Nihon Doren Co., Ltd. received two Good Design Awards. Additionally, the focused drainage pipe "Mitsuba Doren" was selected for the special selection "My Chosen Item" by the Good Design Award judging committee. It has been highly evaluated as an excellent design that merges traditional wisdom with modern technology.
We respond to our customers' needs with skilled techniques such as plastic bending, adhesive processing, and welding.
- Tunnel Materials
2025 Good Design Award" winner! Mitsuba Drain has also been selected as "My Chosen Item.
The announcement of the 2025 Good Design Award (organized by the Japan Design Promotion Association) was made on October 15, 2025. This time, Nihon Doren Co., Ltd. received two Good Design Awards. Additionally, the focused drainage pipe "Mitsuba Doren" was selected for the special selection "My Chosen Item" by the Good Design Award judging committee. It has been highly evaluated as an excellent design that merges traditional wisdom with modern technology.
Can accommodate various terrains and structures! Leak-proof gutters made of non-combustible materials.
- Tunnel Materials
2025 Good Design Award" winner! Mitsuba Drain has also been selected as "My Chosen Item.
The announcement of the 2025 Good Design Award (organized by the Japan Design Promotion Association) was made on October 15, 2025. This time, Nihon Doren Co., Ltd. received two Good Design Awards. Additionally, the focused drainage pipe "Mitsuba Doren" was selected for the special selection "My Chosen Item" by the Good Design Award judging committee. It has been highly evaluated as an excellent design that merges traditional wisdom with modern technology.
Improving the durability and workability of leak-proof gutters! Soft P.V.C. gutters made from flexible materials.
- Tunnel Materials
2025 Good Design Award" winner! Mitsuba Drain has also been selected as "My Chosen Item.
The announcement of the 2025 Good Design Award (organized by the Japan Design Promotion Association) was made on October 15, 2025. This time, Nihon Doren Co., Ltd. received two Good Design Awards. Additionally, the focused drainage pipe "Mitsuba Doren" was selected for the special selection "My Chosen Item" by the Good Design Award judging committee. It has been highly evaluated as an excellent design that merges traditional wisdom with modern technology.
Introducing the Mitsuba Drain, a buried pipe that plays an active role on the sun-dried floor of the water purification plant!
- Piping materials (copper pipes, cast iron pipes)
2025 Good Design Award" winner! Mitsuba Drain has also been selected as "My Chosen Item.
The announcement of the 2025 Good Design Award (organized by the Japan Design Promotion Association) was made on October 15, 2025. This time, Nihon Doren Co., Ltd. received two Good Design Awards. Additionally, the focused drainage pipe "Mitsuba Doren" was selected for the special selection "My Chosen Item" by the Good Design Award judging committee. It has been highly evaluated as an excellent design that merges traditional wisdom with modern technology.
Corner-type low-density expanded polyethylene foam joint material!
- Joint material
The most weather-resistant reinforced glass curved mirror, with a mirror surface that has high affinity with water, allowing rainwater to wash away dirt, keeping it clean for a long time and making ma...
- Road signs and road accessories
For connecting two or more tanks for suction and discharge of bathhouse and pool water.
- Water and sewerage pipe fittings
We have a variety of nozzles available to meet your usage conditions.
- Water and sewerage pipe fittings
Highly durable jet nozzles! Single nozzle, double nozzle, triple nozzle.
- Water and sewerage pipe fittings
A dust collector that captures thread scraps, hair, leaves, and garbage before the pump!
- Water and sewerage pipe fittings
Foot pedal for handwashing station 501-283-C
- Water and sewerage pipe fittings
Foot pedal for handwashing station 5001-2-C
- Water and sewerage pipe fittings
Foot pedal for hand washing station 502-283-C
- Water and sewerage pipe fittings
Foot pedal for handwashing station 571-283-C
- Water and sewerage pipe fittings
It can be changed to a single faucet specification for use with either water supply or hot water supply.
- Water and sewerage pipe fittings
Foot pedal for handwashing sink 574-2-C
- Water and sewerage pipe fittings
Foot pedal for handwashing station 810-283-C
- Water and sewerage pipe fittings
Foot pedal for handwashing station 501-2-C
- Water and sewerage pipe fittings
Foot pedal for handwashing station 801-2-C
- Water and sewerage pipe fittings
Foot pedal for hand wash station 2502-283-C
- Water and sewerage pipe fittings
Foot pedal for hand washer 2521-283-C
- Water and sewerage pipe fittings
Foot pedal for handwashing station 810-2-C
- Water and sewerage pipe fittings
The material consists of a base fabric made of 100% polyester, and the coating resin is polyvinyl chloride!
- Civil Engineering Sheet
For individuals and companies considering flood prevention measures! This is a system that allows you to introduce flood barriers at a great price.
- Water stop
Widely usable for various construction grounding electrodes! Excellent in maintaining long-term grounding resistance reduction effects.
- Concrete Retaining Wall
This is a new type of biodegradable mulch sheet for agriculture, a new product that takes advantage of the strengths of wood fibers and biodegradable plastic fibers.
- Safety and consumables
- Various blocks
- Agricultural civil engineering works
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Neutralization inhibition, demonstrating effects against salt damage and freeze damage! A revolutionary tool for civil engineering and construction sites.
- Civil Engineering Sheet
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Just stick it to the formwork during casting! Achieve longer lifespan while also realizing labor savings, shortened construction time, and cost reduction.
- Civil Engineering Sheet
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Achieve labor reduction, shortened construction periods, and cost savings! Improve the durability targets of civil engineering and buildings.
- Civil Engineering Sheet