carry on to boost, to guarantee products excellent in line with market and consumer standard specifications. Our enterprise has a quality assurance system are actually established for Grooved End Pipe, Half Circle Galvanized Corrugated Steel Pipe, Erw Round Pipe, Scaffolding Steel Pipe,Mild Spiral Pipe. For further queries or should you have any question regarding our products, please do not hesitate to contact us. The product will supply to all over the world, such as Europe, America, Australia,Algeria, Mombasa,Suriname, Senegal.With strong technical strength and advanced production equipment, and SMS people purposefully , qualified, 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.