Tianjin Shuangjie Steel Pipe Corp.

Scaffolding and ladders, metal, Metal constructions for the building industry, Construction, Scaffolding, metal, tubular, Pipes and tubes, ferrous, for water mains, Metal pipework, valves and containers, Pipe and tube fittings, metal, spigot and socket, Pipe, tube and hose fittings, steel, Pipes, tubes, ducts and pipelines, ferrous metals, by use, Pipes and tubes, steel, for gas, water and steam