... , steel wire, plastic belt. 2. Driving part (electronic motor, high speed coupling, speed reducer, low speed coupling, and all of ... covering, inverted trough, a funnel and so on)Special devices: High temperature, cold weather, exploration-resistant, fire-resistant, acid-resistant, ... 1 set at leastDelivery time: Within 30 days, FOB, shippment. explosion-proof belt conveyor machinery for coal mining use