Beijing TSJY Energy & Technology Co., Ltd. is one of the subsidiary companies of TIANHE Oil Group, Established to meet the needs of the rapid progress of oil industry at home and abroad, Backing on the comprehensive advantages of economic, political, and cultural resources of the Capital, and to better providing superior services for a variety of customers.
   TSJY is a worldwide provider mainly in drill stem development and downhole tools manufactured by TIANHE Group. We committed ourselves in supplying workover tools and field technological consultation that covers every step of exploration, advancing and producing of oil and natural gas. TIANHE Group mainly specialized in the whole series of drill collars, HW drill pipes, stabilizer, Hydraulic bucking unit, Hydraulic jar tester, downhole motor tester, shock absorbers, and jars covers the fields of well drilling, cementing, workover, coring, fishing tools, components and BOP cleaning system.

   TIANHE Group, TSJY?s powerful manufacture base and quality backup, is the Class I network supplier and member of council of CNPC; industrial association member of council of CNPC and SINOPEC?Member of ?Energy-ahead?, assigned suppliers of CNOON.

   Our products are ISO9001 and API certified, and with the rights to use API monogram. We have obtained the API Spec7, Spec7-1, 5CT, 6D monogram right and certificate of ISO 9001:2000. Some of our researches have obtained state grade patent awa