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Dongying Kangyu Petroleum Engineering Technology Service Co., Ltd.
Dongying Kangyu Petroleum Engineering Technology Service Co.,Ltd located in the Yellow river delta city-Dongying City, base of second largest oilfield China, Shengli Oilfield. The company's main business involving drilling engineering technology services, workover complete set ...
Telephone：86-0546-7766986Address：No.228,Nanyi Road
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