On August 17, the ISO9000 quality management system certification expert group visited Shandong China Coal Group to conduct the annual audit of ISO9000 quality management system certification.
On the morning of August 23, a batch of single hydraulic rock drills independently developed and produced by China Coal Group Machinery Co., Ltd. was inspected and loaded and shipped to Anshun City, G
At the end of 2017, the Xicheng high-speed railway passing through the Qinling and Daba mountainous areas was completed, marking that the high-speed railway in the western region of China has been con
On August 17, the ISO9000 quality management system certification expert group visited Shandong China Coal Group to conduct the annual audit of ISO9000 quality management system certification.
On the morning of August 16, Yantai High-tech Zone Intelligent Manufacturing Industry Development Promotion Center Minister Zhang Hongli, and Shandong Bangzhan Architectural Design Co., Ltd. Director
Check the integrity and rotation of various components (including rock drills, supports or rock drilling rigs) before drilling.
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Executive Editor: Linda Zhang