... Canvus, nylon, steel wire, plastic belt. 2. Driving part (electronic motor, high speed coupling, speed reducer, low speed coupling, and ... devices can be installed on a fixing bearing. Or using an electronic roller as a driving device.)3. Roller parts (Driving ... smoothly.6. unloading device (Fixed plow unloading device and electronic unloading vehicle)7. Cleaning device (Elastic cleaning device in ...