we own advanced melting equipments and manufacturing equipments, most of them are imported from Germany, America, Russia and English etc.. By them many kinds of precise stainless steel seamless pipe can be produced acc to international standards. Size range of cold rolled O.D. 8mm~219mm (1/4 inch~~8 inch) W.T. 1mm~25mm (SCH10~~SCH160) Grade: 309S, 310S, TP304H, TP321, TP316, TP316L, 317L, TP347H, 904L, 2ER69, UNS S31803, UNS S32750, Inconel600, Inconel625, Incoloy800H, Incoloy825 etc. Standards ASTM A213, ASTM A312, ASTM B163, ASTM B444,ASTM B407 etc.