Coal news and updates

Utility Model Patent of Zhongtian Hechuang Authorized by China National Intellectual

three utility model patents of zhongtian synergetic energy company limited were authorized by china national intellectual property administration (cnipa) including "a coal and gangue separation system based on medium and thick coal seams", "a roller disassembly tool for the belt conveyor " and "a disassembly device of hydraulic pipes for the