在线词典

Shandong Rock Drilling Tools Factory Co. , Ltd. was founded in 1993, is engaged in a rock drill brazing professional research and production enterprises, the annual production capacity amounting to billions of dollars, is high-tech enterprises in Shandong Province, state-level Torch Program project implementation unit. Production the "three hills" brand of rock brazing is widely used in mountains, mining, railways, highways, water and electricity infrastructure, trusted by users. The company has self-import and export rights, products exported to the United States, Japan, Canada, India, Australia and more than two dozen countries.