Mudanjiang Dongxu Machinery Co., Ltd. is located in Mudanjiang city Heilongjiang province Dongxu two Street No. 5, covers an area of 6000 square meters. The company consists of four departments: the Department of Biotechnology (workshop), QC department, marketing department, the finance department; has a staff of 60 people, including senior engineer 2, engineer 8 people, management staff of 12 people, with about 10000000 yuan in fixed assets, metal cutting equipment and special testing equipment more than 30 taiwan. Mudanjiang Dongxu Machinery Co., Ltd., is a professional production of fixed-point units of petroleum drilling tools and accessories of China Petroleum and Natural Gas Corporation and China Petrochemical Corp, our company has passed ISO9001:2000 quality system certification, the American Petroleum Institute (API) certification.