... , power rollers.Details of the DTII rubber belt conveyor machineryUsed range: Rubber belt conveyor used in coal, mine, metallurgy,power plant, harbon, cement, chemical ... the devices can be installed on a fixing bearing. Or using an electronic roller as a driving device.)3. Roller parts ... at leastDelivery time: Within 30 days, FOB, shippment. explosion-proof belt conveyor machinery for coal mining use