Jiyuan Sanhe Zhengyuan Petroleum Machinery Co.,LTD is a high-tech enterprise specializing in manufacturing drilling tools of Zhengyuan Brand for petroleum and geological exploration.Our main products are drill collar, spiral drill collar, non-magnetic drill collar, integral heavy weight drill pipe, stabilizer, crossover, and some products of macroaxis. The company strictly follow the rules of the quality management system, and has passed ISD9001:2000 qualifications, and has gained the authorization of using the symbol of API.Welcome your inquiry!
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Jiyuan Sanhe Zhengyuan Petroleum Machinery Co.,LTD is a high-tech enterprise specializing in manufacturing drilling tools of Zhengyuan Brand for petroleum and geological exploration.Our main products are drill collar, spiral drill collar, non-magnetic drill collar, integral heavy weight drill pipe, stabilizer, crossover, and some products of macroaxis. The company strictly follow the rules of the quality management system, and has passed ISD9001:2000 qualifications, and has gained the authorization of using the symbol of API.Welcome your inquiry!