Yantai Yunsheng Petroleun Machine Accessories Co., Ltd. funded in 1997, presently is one of biggest enterprises producing double protection sucker rod joint inside China.
Our co***ny is located in Laishan Shengquan Industrial Park, beautiful seashore city- Yantai, to north nei***ouring Yantai Port, to south next to Yantai Airport, with beautiful scenery, comfortable climate and convinent traffic. Furthermore, our co***ny has fixed assets RMB 10,000,000.00 yuan, 150 employees, among them there are 26 engi...
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