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No Logo | Henan Youlong Petroleum Engineering Technology Co., Ltd. Henan Youlong Petroleum Engineering Technology Co., Ltd., located in the beautiful petroleum city - Puyang City in the zhongyuan oil filed located, is a production research and development enterprise with product research and development organization... Member since 10 February, 2022, China - Henan | | | | Puyang Kerui Mechanical Engineering Technology Co., Ltd Puyang Kerui Mechanical Engineering Technology Co., Ltd. was established in 2001 and passed IS09001 certification in 2007. It is a professional enterprise which specialized in design, OEM, production, the well-known manufacturer in petroleum machiner... Member since 2 January, 2014, China - Henan | | | | Henan Dalin Pneumatic Clutch Co., Ltd. Henan Dalin Pneumatic Clutch Co., Ltd specializes in designing and manufacturing for pneuamtic clutch and its accesorries. Our products are mainly used on driving or braking devices for kinds of high-power mechanical transmission like mine, metallurg... Member since 9 July, 2015, China - Henan | | |
| No Logo | Puyang Chengxin Oilfield Chemical Co., Ltd. We are a leading drilling chemical manufacturer & supplier with more than 10 years, have been serving the world top 50 oil companies with good feedback. As the major drilling mud chemical supplier of CNPC & SINOPEC in China, we can supply almost all ... Member since 24 May, 2014, China - Henan | | |
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