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Shengli Oilfield Tongtai International Trading Co.,Ltd.
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Shengli Tongtai Int l is the premier import & export company of Sinopec Shengli Oilfield Co. Ltd, engaged in provide all kinds of quality and price-competitive tubing, casing, sucker rod, pipeline, pumping unit, pump, valves etc conforming to API.
oil casing, tubing,pipeline ,drill pipe, drill collar,mud pump, muc pump liner and valve
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