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Shandong Dongbao Steel Pipe Co., Ltd.
Established in 2005, Shandong Dongbao Group Co., Ltd is a professional manufacturer and supplier of OCTG tubings, casings, high pressure steel weaved special plastic composite pipes, sucker rod pumps, drilling rods other petroleum machineries. Our former name Dongying Petroleum Machinery ...
Telephone：86-536-5613189Address：North of Crossway of Dongwaihuan Road and Luofu Street, Shouguang City
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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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