Shanxi Golden Diamond Petroleum Drill Tools Manufacturing Co., LTD, a division within the Third Geological Engineering institution of the Bureau of Geology Exploration in Shanxi Province, is a state-run enterprise, specializing in the manufacture of petroleum drill tools. Based in Jinzhong Economic and Technical Development Zone,Shanxi, the company is close to Taiyuan Airport and at easily accessible locations. We have domestic-advanced specialized equipments and auxiliary equip