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Xian TianRui petroleum machinery equipment Co., LTD. (short name:TianRui solid control), was located in Weiyang District xian city of shaanxi province. The co***ny covers an area of 40 acres, now have 100 employees, and 30 management staff, including 8 engineers, senior engineer and one ***tor ,21 person of Bachelor degree or above. research and development staffs are long engaged in oil drilling machines design, Our staff have rich practical experience, they continue to forge ahead and continuous innovatio...
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