No. 1, Shandong Road, Qingdao, Shandong, China
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Apr 19, 2012
Qingdao Oilfield Petroleum Machinery Co., Ltd was established in 2003. In the API certification consulting fields, our company is the most complete, and accumulated the professional survey industry experts and the manufacturers in resources, in design, procurement and construction products in the largest project has the competitive advantage.