we are manufacture of carbon seamless steel tube acc. to ASTM API5L A106GR.B A53B A179 A192 DIN17175 DIN1629 DIN2391 JISG3445

we are manufacture of carbon seamless steel tube acc. to ASTM API5L A106GR.B A53B A179 A192 DIN17175 DIN1629 DIN2391 JISG3445 EN10216 EN10255 A333GR6 etc. The factory have API CERTIFICATE ISO & PED CERTIFICATE and located in SUZHOU,JIANGSU which is closed to SHANGHAI PORT.Welcome for your visiting and inquiry!