AI

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

After the work is completed, clean and conceal the entire machine, especially the radiator, engine, hydraulic components and other parts.

Many people still don’t know enough about air leg rock drill. In this case, the air-leg rock drills cannot be fully used.

The air-leg rock drill uses a pneumatic leg instead of manpower to work against the rock drill, thereby greatly reducing the labor intensity of the workers.

Air-leg rock drill: suitable for wet rock drilling of medium-hard or hard rocks; centralized operating mechanism, flexible starting, air-water linkage

Recently, with the official approval of the State Intellectual Property Office, 7 companies under China Coal Group successfully obtained 30 national trademark registration certificates at one time. Am