Mainly used in coal and mining industry, also used in metuallurgy,chemical industry, power ... for belt conveyorsUsed range: Mainly used in coal and mining industry, also used in metuallurgy,chemical industry, power plant ... grainy, small block, bags, etc. Such as coal, gravel, sand, cement, chemical fertilizer, grain and etc.Belt width (5kinds) ... -proof belt conveyor machinery for coal and mining use