we are a stee pipe company in china we mainly produce seamless steelpipe,carbon steel pipe oilcasing steel pipe and so on the standard are GB/T8162-1999 GB/T8163-1999GB3087-1999 GB5310-1995 API5L ASTM A106 ASTM A53 DIN17175 DIN1629
Contact Person : vicky Job Title : manager Telephone : Fax Number : Address : yanshanwuliyao Cangzhou, Hebei Fax : - Website : Visit website