Rubber belt conveyor used in coal, mine, metallurgy,power plant, harbon, cement ... conveyor idler rollers, idler rollebelt conveyors, roller frame, roller support, roller brackets, conveyor belt, and so on. All ... belt conveyor Used range: Rubber belt conveyor used in coal, mine, metallurgy,power plant, harbon, cement, chemical ... pit explosion-proof belt conveyor machinery for coal mining industrial use