Now the production of Pipes, fittings and stainless steel couplings are completely meet the standards of ISO6594, , DIN19522/EN877, ASTM A888, CSA B70 and etc, now mainly coated with the antirust paint, epoxy paint,       electrostatic powder coating. Our productions are free from pinhole porosity and slag, smooth surface and even wall thickness, high strength. Pipes and fittings are exported to Germany, USA, Austria, France, Italy, Russia, Vietnam and other countries.