Shandong China Coal Group Drilling Machine Branch

On the afternoon of September 18th, Yantai Municipal Bureau of Commerce Director Liu Sen, accompanied by Liu Laiying, Deputy Secretary of the Working Committee of Yantai High-tech Zone,

Recently, Shandong China Coal Group officially joined the United Nations Global Market (UNGM), marking that China Coal Group will be included in the United Nations procurement system qualified supplie

Recently, ISO9000 Quality Management System Certification Expert Group passed a serious and rigorous inspection and review of the comprehensive management level, the operation of the management system

Recently, the ISO9000 Quality Management System Certification Expert Group respectively went to the China Coal Group's companies - 'YiMei'Machinery and Equipment Manufacturing Co., Ltd., Shandong Zhon

Recently, the ISO9000 quality management system certification expert group has passed the strict and strict inspection and evaluation of the comprehensive management level of China Coal Group, the ope

In order to sum up the cloud work in the enterprise in the past year, exchange and promote the good experience and good practices of the enterprises on the cloud, and deploy the cloud work in the next