... with about 10 years' experince in belt conveyors, conveyor idler rollers, conveyor rollers, roller frame design and production. All of ... of the DTII rubber belt conveyors:Used range: Rubber belt conveyor used in coal, mine, metallurgy,power plant, harbon, ... keep the belt work smoothly.6. unloading device (Fixed plow unloading device and electronic unloading vehicle)7. Cleaning device (Elastic cleaning ...