Steel Pipe & TubeEn39 48.3*3.75*6000mm Scaffolding Gi Pipe Galvanized Hollow Section Made in Tianjin China, Find details about China Sch 40 Galvanized Steel Pipe, Gi Pipe from En39 48.3*3.75*6000mm Scaffolding Gi Pipe Galvanized Hollow Section Made in Tianjin China