tianjin gan quan (submersible pump) group corporation is an important base of manufacturing water industry products and corresponding control products, as well as an important technical center in china. it has more than 25 years history for submersible borehole pump (deep well water pump) , submersi...

estabilished in 1973, tianhe oil group co.,ltd is a chinese wellknown trademark enterprise. it has been certified to iso, api, hse management system. clients include weatherford international, schlumberger, halliburton, bowen, smith, national oilwell varco, and etc.

hebei longway petroleum equipment co., ltd. is a company that specially manufactures kinds of petroleum drill pipes and joints.the production base locates in jinzhou, 50 kilometers from shijiazhuang---the capital city of hebei province. we have convenient traffic:beijing--hong kong and macao express...

tangshan aojie petroleum machinery equipment make co., ltd (short for: ogem equipment) focused on professional mud process. based on users' actual demand through the integration team of professional design and solids control technology to provide high quality drilling mud process equipments. ogem...

Jiangyin eternal heavy industry co., ltd specializes in the research, manufacturing and technical service of hydraulic cylinders and pipe end upsetting press. the hydraulic cylinders have been applicated in construction machinery ,coal machinery ,water project , hydraulic press etc . pipe end upsett...

shandong hongyun group co., ltd., with three subsidiaries as shandong hongyun steel structure co., ltd., zibo hongyun mining equipment co., ltd. and zibo hongyun petroleum equipment co., ltd. was founded in 1994 and is located in zhoucun district, zibo city, shandong province, on the south side ...

yantai jereh oilfield service group was incorporated in 1999 and now is a public company listed in shenzhen stock exchange. jereh is a worldwide leader in providing integrated solutions of oilfield equipment and services for oil and gas drilling, well iintervention, well completion, natural gas tran...

zuanshan mining machinery co., ltd located in liaocheng, shandong province, we have specilized in research, development and production of air compressor, drilling rigs & down the hole (dth) drilling tools for more than 20 years. we are one of the very few manufacturers & suppliers in china, which co...

shaanxi xinlong petroleum equipment co.,ltd(xinlong) is a sino-us joint venture. it hasstrong technology capability with technical experts with 30 years, and 10 yearsof experience in designing, manufacturing, assembling and sale oil & gas onshoredrilling rig, well serving rig and some components for...

jinandiesel engine co.,ltd(jdec) is the only internal-combustion enginemanufacturing enterprise belong to china national petroleum corporation(cnpc),and is also the only enterprise relating to oil drilling in china internal combustion engineindustry. jdec is committed to r&d high quality power equip...