Auto Lift Garage Doors

*The cover layer is heat galvanized steel plate with beautiful cast square grid and venation.
*The door surface have rich colours and luster
*Ther inner material is polyurethane, and the door is 35-51mm thick
*The rails are made of galvanized steel plates with two lifting ways, standard lifting and low net distance lifting
*Several types of machines for opening door for choice with manual, electric and remote operation functions
*Safe protection: the door has the function that it will rebound when the resistance is above 5kg, its response time is less than 2 seconds.