AI

An air leg rock drill is a specialized pneumatic drilling machine commonly used in mining, tunneling, and construction industries. Its primary purpose is to bore holes or drill into rock or hard surf

The air leg rock drill is a specialized pneumatic tool designed for drilling holes in rock and other hard materials. It's commonly used in industries that involve excavation, mining, construction, and

Maintaining a water well drilling rig is crucial to ensure its safe and efficient operation during well construction projects. Regular maintenance will not only extend the rig's lifespan but also mini

On July 10, Air Leg Rock Drills independently developed and produced by China Coal Group will be sent to Moscow after being loaded in intelligent equipment digital workshop. Once launch, it has been p

On July 3, Ms. Aoya, the person in charge of the Mongolian railway project, visited China Coal Group to negotiate and sign a procurement contract on the procurement of materials for the new key railwa

In order to better master the knowledge and skills of electric business operation, improve the level of electric business operation and boost the development of the group's electric business, on June