Shandong China Coal Group Drilling Machine Branch

On the morning of March 24th, Mexican businessmen visit China Coal Group to purchase mining equipment and engineering machinery equipment. Li Zhenbo, General Manager of Information Technology of China

1. The Roof filter should use the specified hydraulic oil, and adding hydraulic oil must be filtered through the filter screen of the air filter.

On the morning of March 8, the 113th Anniversary of International Women's Day and the Commendation Conference themed "Women's Heart to the Party, Endeavour for a New Journey", sponsored by China Coal

On March 8, in order to celebrate the 113th "March 8" International Women's Day, China Coal Group prepared exquisite gifts for all female employees in all positions of the Group and sent sincere holid

On March 3, Liu Hongyang, Deputy Director of the Software and Information Services Division of the Shandong Provincial Department of Industry and Information Technology, led Liu Canjun, Secretary Gene

Roof Bolter is a method of roof and ground support in potash, trona, coal, and hard rock mines. Introduced in the late 1800’s and rising to prominence in North America throughout the 1940’s and 1950’s