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The steel plate is coated on both sides with polyvinyl chloride, providing high corrosion resistance and airtightness.
It is a material that excels in corrosion resistance and chemical resistance, and is strong against various corrosive gases.
It is a plating layer made of aluminum, zinc, and silicon.
This is a spiral duct made of Galvalume, which has 3 to 6 times the durability of regular steel plates.
This is a high-pressure duct that forms ribs between the flanges, significantly improving strength. It is used in cylindrical formwork for civil engineering and construction.
It has a high resistance to external pressure. The spiral hub and ribs serve as reinforcement. We also manufacture specified dimensions according to conditions such as on-site and transportation.
This is a spiral duct made using zinc-coated steel plates specified in JIS G3302.
●Durable: The spiral state serves as reinforcement, resulting in extremely high strength. ●Easy to install: Various joints are used, making lifting work efficient and significantly reducing construction time. ●Manufacturing: We also produce ducts with specified dimensions and prefabricated ducts according to site and transportation conditions. (Standard length 4m)
