We are featured in producing saw pipes, oil pipes, ERW pipes, seamless steel pipes,elbow,reducer,tee,caps,flange,tube etc.. TYPES: elbows, seamless and welded ,L/R, S/R, 45deg,90deg,180DegMATERIAL : carbon steel,alloy steel,stainless steel, A234 WPB STANDARD:ANSI B16.9/16.28 , DIN2605/2616 , JIS standards,JIS B2311/2312, GB12459-99elbow : 90D , 45D, 180D, LR , SR ,seamless pipe :A106 GR.B / A53 / ...