drill pipe, drill collar, casing and tubing, seamless/erw/saw pipe, etc., acc. to API 5L/API 5CT/API 5D
Contact Person : Dandan Yu Job Title : sales manager Telephone : Fax Number : Address : No.3, Block 5, District A, Liangli Steel Market, Jinniu District Chengdu, Sichuan Fax : 86 - 028 - 66261984 Website : Visit website