Obtain

Multiple Models Of Mining Single Hydraulic Prop Have Obtained The National Mining Product Safety Mark Certificate

China Coal Group'S Two-Speed Winch Obtained The National Mining Product Safety Mark Certificate

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

Recently, with the official approval of the State Intellectual Property Office, 7 companies under China Coal Group successfully obtained 30 national trademark registration certificates at one time. Am

Recently, Shandong Carter robot Co., Ltd., a subsidiary of China Coal Group, is officially approved as "Civil UAV Driver Training Organization Certificate" by China aircraft owners and Pilots Associat