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The air leg rock drill is a highly efficient rock drilling machine. It is widely used in rock tunneling and drilling blastholes in various rock drilling operations. It is an important machine in stone

Ecently, the Shandong Provincial Integration and Promotion Center announced the list of "Shandong Province's Integration and Integration Priority to Individuals in 2021. Comrade Qu Qing, chairman of C

Recently, The mine flameproof and intrinsically safe vacuum electromagnetic starters QJZ-80/1140 (660), QJZ-120/1140 (660), QJZ-200/1140 (660), QJZ-315/1140 (660), qJZ-400/1140 (66) are independently

On September 29, the second batch of Fixed Mine car equipment was loaded in the second workshop of China Coal Group's intelligent equipment production and manufacturing, and then will be sent again to

China Coal Group is a professional manufacturer of pneumatic rock drilling machinery. Compared with similar products, the air leg rock drill developed and produced by our company has the characteristi

On August 26, a batch of Fixed Mining Car equipment was loaded in the intelligent equipment manufacturing workshop of China Coal Group and sent to a mine in Xining, Qinghai. The Fixed Mining Car shipp