Steel Tube and Pipe, Steel Construction, Carbon Steel Pipe manufacturer / supplier in China, offering Portable Modular Scaffolding System for Quick Assembly and Transport, Construction Steel Bar Fasteners Bolts Nuts/ Embedded Bolt/ ISO DIN / Ring Latch/High Pressure Bolts / API 20e Bolts A2-50 A4/ B8/Ptef Coating, UL 651 Rigid Electric Conduit HD UPVC MD UPVC Pipe DN20 DN110 Sch40 Sch80 Polypropylene Pipe D2241 D2467 as Decoration PVC and Fitting White and Gray and so on.