1.ISO9001;2008 2.ANSI,UNI, DIN, BS, JIS 3.SGP,SCH10-SCH160,XS,XXS 4.Material:carbon steel,stainless ... technical force and advanced equipment which includes 3 extruding machines, 2 tee-joint machines, 3 pressing machines and 85 sets of other ... development with benefit and manage sincerely. We hope to provide high-quality products and services for domestic and international customers. Wang Yuming ...