Certification

Recently, The mine flameproof and intrinsically safe vacuum electromagnetic starters QJZ-80/1140 (660), QJZ-120/1140 (660), QJZ-200/1140 (660), QJZ-315/1140 (660), qJZ-400/1140 (66) are independently

Recently, The mine flameproof and intrinsically safe vacuum electromagnetic starters QJZ-80/1140 (660), QJZ-120/1140 (660), QJZ-200/1140 (660), QJZ-315/1140 (660), qJZ-400/1140 (66) are independently

From October 28th to 29th, experts from the CCC Compulsory Product Certification Expert Group Hou Yandong and Zhang Weibin visited China Coal Group to conduct 3C certification on-site review of explos

Enterprise development, environmental protection first. Recently, after strict evaluation by the ISO14001 environmental management system expert group, the environmental management system of Shandong

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

On the morning of January 20, the national MA Coal Safety Certification Expert Group and his entourage came to Shandong China Coal Group to conduct on-site certification on series of mining equipment