タイトルまたは説明

Fast roller door:Jianda Fast Roller Door is a new high-tech product developed in rapid rolling door field.it has many functions like:thermo-insulation,insect-proof,dustproof ,off-flavor proof,soundproof ,lighting ect it is fit for the places like logistics and cleaning spots where the door needs to open or shut frequently. 1) Remote control type
Remote transmitters have “open”,“shut” and “stop” s, while press “open” key ,the door will rapid open. To the setted delay-fall decline it will shut off automatically,   or press the , the door  close immediately. 
2)Button type
Through pushing the on the box to open and close the door, click one to open, and click once again to close, and so on 
3)Geomagnetic ring type
When there is a metal objects nearby,it cause the geomagnetic ring induction, the door will open rapidly to the setted delay-decline or shut automatically.
4)Infrared type
There are both infrared sensors on the opposite sides of the door ,when the person or object into the region, blocking infrared door open automatically,after person or object leave,the door will shut automaticlly in the delayed decline.
5)Linkage control type
There are more than 2 gears linkage control (contain 2 gears)in the same used space. When a stall door open or in an open position, the linkaged door can not open
6)Wireless radar type
When the radar detect a moving object,the door will be open up automatic rapidly to the setted delay-fall decline,then it will shut automatically