The automatic rolling door board is made of double-layer colorful steel plate with especially thickness.

The automatic rolling door board is made of double-layer colorful steel plate with especially thickness to make sure intension of the door with large span. Wireless remote control or button on control box can ensure the door is exactly in its position.

It will start-up the automatically protection system, if the chain was broken by accident. Infrared monitoring will make the door stop automatically during its movement, if any Objects are getting across. The window can be designed on the door board to make sure suffient light inside the room.