1. Exquisite slant surface With gray colored. 2. Precise and reliable controll system with Mitsubishi PLC. 3. Strong and durable PVC tank, acid and alkali proof. 4. Convenient discharge of the roller bearing seat for the maintenance to ensure durability. 5. Main driving system lies in the left side. Gear driving assures smooth moving and easy maintenance. 6. Water and power saving. Environmental-friendly washing mode: inner circle washing mode or tap water washing mode for option. 7. Latent developing structure to ensure sufficient development. 8. Automatic gumming, washing and recycle of gumwater. 9. Corrosion-resist and anti-ageing gum roller. 10. Double washing function makes it easy to wash and gum after revision of the plate. 11. Emergency button with built-in reverse function provided, in case of danger or mistakes. 12. Optional automatic stacker and filtration system compatible.