Black Square Welded Steel Pipe - China Manufacturers, Factory, Suppliers

We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate inside our success for Black Square Welded Steel Pipe, 150x150 Steel Square Pipe , Mild Steel Pipes , Ms Ssaw Steel Pipe , With strong technical strength and advanced production equipment, and SMS people purposefully , professional, dedicated spirit of enterprise. Enterprises took the lead through the ISO 9001:2008 international quality management system certification, CE certification EU ; CCC.SGS.CQC other related product certification. We look forward to reactivating our company connection.