certificate

Recently, ten models of GLD series belt feeders independently developed and manufactured by China Coal Group have passed inspections conducted by the Changsha Mining Electromechanical Testing & Inspec

Recently, China Coal Group once again came with good news, its independent research and development and production of the model DW (48, 50)-200/110X (H) of the mining monobloc hydraulic props, by virt

Recently, China Coal Group has made significant breakthroughs in the research and development of mining equipment. Multiple models of mining single hydraulic prop independently developed and produced

Recently, four models of two-speed multi-purpose winches, JSDB-10, JSDB-13, JSDB-19, and JSDB-25 independently developed and produced by China Coal Group Intelligent Manufacturing Corporation, have su

Jining Gongxin Business Vocational Training College Once Again Obtained The Aopa-Certified Civil Drone Pilot Training Institution Certificate

Recently, the DFB (1400-4400 standard specifications)/300, DJB600/470, DJB800/420, DJB (1000, 1200)/300 metal roof beams independently developed and produced by China Coal Group, of which 4 types of h