1. Refer to Xuan An line, it should have two way air tank.
2. Fan with frequency converter, to control suction vuccum.
3. All air tanks have a separate flow control valve, and installed to operation side for convenient adjustment any time.
4. Have an ascending and descending function, and with anti-drop device.
5. Upper pressure wheel drives by servo motor, possible for future upgrade of this device.
6. Half wheel type of servo feed take-away device would be designed and trialed on other line. If success, it can be replaced on this line per customer's need in future.