Shandong China Coal Group Drilling Machine Branch

With the development of the society, the increasingly high floors have brought great challenges to fire rescue. Too high floors cause ordinary fire extinguishing equipment to fail to quickly reach the

The gasoline rock drill is suitable for rock drilling, if a few parts are replaced, gasoline rock drill can be changed into a crusher and tamping machine for various crushing, shoveling, digging, crac

On the morning of July 8, Weishan County Old Science Association President Wang Ling, Weishan County Old Science Association Vice President And Secretary General Chao Wang, Weishan County Old Science

Rock drill: Rock drill is used to drill blast holes with a diameter of 20-100 mm and a depth of less than 20 meters in rocks above medium hardness. According to their different powers, they can be div

Air leg rock drills are a type of hand-held pneumatic tools. Pneumatic leg rock drills are widely used in industries such as mining and construction. But how long does the gas leg rock drill want to u

In order to implement the "Guidelines for Promoting Enterprise Cloud Implementation (2018-2020)" (Ministry of Industry and Information Technology (2018) No. 135), according to the "General Office of t