Certification

Recently, three models of hydraulic excavators for coal mines independently developed by China Coal Group successfully passed rigorous testing by the Changsha Mine Electrical and Mechanical Testing Ce

Recently, multiple models of mining single hydraulic props independently developed and manufactured by China Coal Group, including DW(31.5, 35, 38, 40, 42, 45)-250/110, have successfully passed rigoro

Recently, several mining equipment models independently developed and manufactured by China Coal Group successfully passed the rigorous testing of the National Safety Production Fushun Mining Equipmen

Recently, multiple models of mining single hydraulic props independently developed and manufactured by China Coal Group have successfully passed rigorous testing conducted by the Beijing Mine Support

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