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China Welong Petroleum Equipment Co., Ltd
China Welong Petroleum Equipment Co., Ltd., established in 2001, mainly operating manufacturing, sourcing and processing of Oil drilling equipment & production equipment. Our products include Drilling rig, downhole tools, extraction other service tools used oilfield. All our are ...
Telephone：86-29-88331700Address：TangYan Road, Xian, Shaanxi, China
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