Mainly used in coal and mining industry, also used in metuallurgy,chemical ... technique parameters for belt conveyorsUsed range: Mainly used in coal and mining industry, also used in metuallurgy,chemical industry, ... m3 powder, grainy, small block, bags, etc. Such as coal, gravel, sand, cement, chemical fertilizer, grain and etc. ... repair. Expolsion-proof belt conveyor machinery for coal and mining use