Hebei Longway Petroleum Equipment Co., Ltd. is a company that specially manufactures kinds of petroleum drill pipes and *域名隐藏* production base locates in Jinzhou. The company has the most advanced friction welding, drill pipe upsetting equipments and a variety of molding process and machining equipments, as well as four product lines of drill pipes and connections. We can manufacture all kinds of drill pipes and connections of national or US standard according to customers' requirements...

主要产品/业务: our company have the own factory, and the products have got the certification of the CPI 5DP. And the drill pipe and drill joints are mainly manufactured, using in oilfied,grographical,hydrographical,coal mining,terrestrial heat and engineering drilling. Drill pipe specification 1. drill pipe OD: 2 3/8‘’，2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2". 2. Button type： NC26,NC31,NC38,NC40,NC46,NC50,51/2FH *域名隐藏* grade:R780,E75,X95,G105,S135 *域名隐藏* type of upset:IU, EU,IEU, Drill j