Its "YIMAI" brand series of stainless steel seamless pipes, boiler pipes, chemical pipes, precise brilliant pipes etc., are widely applied to the petroleum, aviation, metallurgy, food, irrigation works, electric power, chemical industry, chemistry, medicine. The products covering various austenitic stainless steel such as 304,TP304,TP321,321,316,TP316L,317L,310S,347H.Manufacturing strictly according to GB/T14975-2002, GB/T14976-2002, GB/T13296-91, GB2270-80, GB9948-88, ASTM/ASME A213, ASTM/ASME A312, ASTM/ASME A269, JISG3459, JISG3463, JISG3448, DIN17458 standard. The user can choose any specification from(O.D ø6-ø630mm W.T 0.6-30mm),as to the special specification we can produced for you through consultation. Sincerely welcome domestic and abroad friends to our factory for visiting.