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Flat galvanized metal duct

Nickname : Post Tensioning Constructions Prestressed Flat Metal Pipe
Application: The post tensioning prestressed flat metal pipe made by bending low-carbon galvanized or non-galvanized steel band.The duct are mainly used as the prestressed concrete structure, such as the large span railway and highway, bridge, crane girders, rock-soil anchoring engineering, multi-floor industrial plant, coal, sports venues, etc.