2. Adopt modular construction design, PLC program control, integrated type human-computer operation.

3. All main line drive by famous global brand of frequency motor, each sap sheet is conveyed by servo-controlled conveyer belt to roll winding side, effectively control sap sheet's stretch.

4. Go through replying roller that controlled by servo motor (moment of force is size adjustable), pressure the rectified and guided sap sheet to the air shaft, achieve the winding roll to be tightness accordant, balance shifting, tidy and pretty appearance.