ycn

1. new module design 2. 4-fold crash-lock 3. 4-,6-corner collapsible 4. new designed pre-pressurized unit Function Discription*thanks to module design, free adding functional unit on it.*gear-box transmission for steady running and easy maintainance.*The frequency converter for motor control, automatic adjusting speed and saving power.*servo motor for adjustment*Thicker multi-belts coordinated ...