Certification

Recently, China Coal Group achieved a significant breakthrough in the independent R&D of mine safety equipment. Several core equipment components independently developed and manufactured by the Group—

Recently, multiple models of metal roof support products independently developed and produced by China Coal Group, including DJB600/470, DJB800/420, DJB (1000, 1200)/300, and DFB (1400-4400 standard s

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