1.The safety protection system automatically stops when the door goes up and automatically rebounds when it falls if meets any obstacle.
2.Three ways of opening:electric, manual and remote control.
3.Characteristics are high durability, heat preservation,thermal insulation,sound insulation and so on.
4.The special connecting rod cam lock can be self-locking and counter-velve with the falling of the door panel,and can function as the anti-theft function when there is no electric or manual.