Our company manufactures various kinds of diameter (89mm-1220mm)and wall thickness(2mm-60mm).Not only base on ISO9001-2000 series, but also passed the certification of API & CE.And the annual production capacity reaches 200000tons,the quantities of export is 80000tons per year.The API certification valid for API 5L Gr B, 1/8"-30", API 5L X42-X60, 4"-10". API 5L ERW: 1-1/2"-60". API 5L SAW 1-1/2"-60", API 5L SSAW: 219mm-2220mm.The pipes strickly followed below standards:American Standard: ASTM A106, A53, A179, A252, A500. European Standard: EN10297, EN10210, EN10216. German Standard: DIN1629, DIN2448, DIN17175, DIN2460. Japanese Standard: JISG3444, G3445, G3454, G3456, G3461 Material:A53,A106,A179,A192,J55,K55,N80,ST35.8,ST37,ST42,ST52,E235,E355,S235JRH,S275JR,S355JOH,P235TR1,10#,20#,45#,Q235,Q345.
