swTechnical Parameters:
1. Roller size Diameter 50 * 500 Galvanized non-powered roller                                 
2. The square frame is made of 80 * 40 * 3 steel pipe

3. Roller mounting frame is made of 60 * 30 * 3 steel pipe

4. The frame is made of 150 * 100 * 4 square tube

5. Flap with 1mm galvanized sheet

6. Motor reducer using domestic high-quality "one strength", "British one"

7. Use the inverter to control the speed

8. Drive chain with 1 inch international chain

9. A set of wire control systems