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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

On the morning of July 21, Dongfang Wenbo Cultural Development Co., Ltd. Deputy General Manager Zhang Zuohua, and other leaders visited China Coal Group and visited Shandong Guyuan Film & Television C

On the afternoon of July 6, a reporter from the TV station of Jining High-tech Zone accompanied by Xie Hualiang, Minister of Investment Promotion Department of Binhe Science and Technology Park in Hig

On the afternoon of June 13, Shandong Provincial Cross-border Electronic Commerce Association Executive Secretary Lu Yaping and other leaders visited the China Coal Group to conduct a inspection on th

On the afternoon of June 11th, Colombian merchants visited the China Coal Group E-commerce Industrial Park to conduct visits and investigations on steel procurement and long-term cooperation. China Co