We can accommodate the sizes of C.C. BOX manhole covers and joint trench manhole covers throughout Japan.
Nijigi has been involved in the design and manufacturing of iron covers for underground utility lines since the early days of undergrounding electric cables. Nijigi's iron covers are designed to ensure safe and smooth road traffic and to enhance the landscape of roads, in line with the purpose of installing C.C. Boxes, while being as compact and low-cost as possible, maximizing functionality.
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basic information
Iron covers for utility duct: Available sizes Round covers: φ600 to φ900 Square covers: Width 770mm to 1220mm, Length 500mm to 10500mm Next-generation shallow installation: Width 300mm to 900mm, Length 500mm to 4000mm Other features Decorative covers for sidewalks, black covers for sidewalks (for asphalt), slip-resistant covers for roadways - Iron covers of all sizes and shapes can be equipped with cylinder locks.
Price range
Delivery Time
※Basic delivery time: 1 month. The delivery time may vary depending on the quantity.
Applications/Examples of results
Nijigi has been involved in the design and manufacturing of iron covers for underground electric cables since the early CAB covers when the undergrounding of electric cables began, and has a track record of deliveries to many cities and municipalities, including the Ministry of Land, Infrastructure, Transport and Tourism, Tokyo, and Osaka.
Detailed information
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Can accommodate sizes of C.C. BOX manhole covers and joint trench manhole covers throughout Japan.
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Company information
Since our founding in 1916 (Taisho 5), we have walked through a tumultuous era as "Kobe Foundry." During this time, while making iron castings the pillar of our business, we have diversified our operations in response to the changing times, expanding into various fields such as labor-saving technologies, energy conservation, environmental improvement, and functional materials. Then, in December 1993, marking our 77th anniversary, we took a new step forward as "Nijigi." The name "Nijigi" encapsulates diverse technologies into a seven-colored concept, likening it to a rainbow. Just like a rainbow that vividly colors the sky and brings refreshing dreams and hopes, we aspire for our future vision to be that of a "company that always shines amidst rapid changes."