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Puyang Zhongshi Group Co. Ltd has built a long-term cooperation with Weatherford petroleum energy company and its subordinate service corporation,by the way of directly taking part in bids and OEM, providing oilfield equipment for them. Products are mainly the API standard tubing pump, rod pump and pump accessories and other products; Products are favored by the customer for their characteristics corrosion resistance, high temperature resistance, high efficiency, long life and others .                                                  

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