We are a manufacturer of SSAW pipes .
O.D.: 219mm to 3600mm
W.T.: 6mm to 25.4mm
Grade: GR.B, X42,X46,X52,X56,X60,X65,X70,X80
Standard: API 5L,ASTMA53,ASTMA252,GB/T9711
Also ,we have 2 coating lines for 3PE,3PP,FBE ect