Tian jin xinpeng is the sales branch of TPCO(Tianjin steel pipe group) for stocks and as sales agency of Baosteel chengdu group ,hy steel ,cheng de group Assets 68 million USD dollar. standard:ASTM, ASME,JIS,DIN,EN Alloy:A335 p1,p2,p11,p22,p5,p5,p91,P92,A213,T1,T11,T22,T5,T9,T91, T92,15Mo3,16mo3, API 5CT:J55,K55,L80,N80,Q125,C90,M65,P110 API 5L: X42,X52,X60,x65,X70. Others stocks:Stainless products.,carbon products.