AI

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

Hydraulic Air Leg Rock Drills are one of the most versatile tools in the arsenal of most professionals on the work site. They provide many different benefits that other drills are not able to offer wh

1、The bearing bears all the load of the pneumatic pavement breaker, so good lubrication has a great relationship to the bearing life, it directly affects the service life and operation rate of the pne

On June 17, Russian customers come to China Coal Group for on-site inspection of a batch of railway equipment purchased and sign a new batch of construction machinery equipment and railway equipment.

1. The air leg rock drill is filled with anti-rust oil before leaving the factory. It should be disassembled and cleaned before use. When reassembling, the mating surface should be coated with lubrica