Safety Certification Experts

The method of adjusting the tension of the track.（1）(1) A flat bar is placed on the top of the carrier and the guide wheel to measure the lower deflection of the track.

On the afternoon of December 25, the China Coal Group celebrated the 40th anniversary of the reform and opening in the conference room on the second floor. All party members, cadres attended the meeti

In order to further promote the cooperation between Jining City and Wanzhou District in the business field, strengthen business exchanges between the two places, and accelerate market integration and

Rock loader plays a very important role in coal mine mining. It can help builders to load and unload rocks and save a lot of human resources. Just as people will get sick, machinery may break down. So

From December 22nd to December 24th, ISO27001 information security management system certification experts visited Shandong Shenhua Information Technology Co., Ltd., a subsidiary of China Coal Group,

On the afternoon of December 20th, the signing ceremony for the key projects of Yantai High-tech Zone was held in Crowne Plaza Yantai. Zhang Dailing, Vice Mayor of Yantai City, Party Secretary and Dir