galvanized steel roller shutter door

الوصف

1,the roll up dooradopts new material of aluminum alloy, the double layer slats is shaped by hot extrusion, which more stronger and with the function of prying resistant.

2,The surface of the roll  up door conduct oxidation processes and  painted in the condition of high temperature.

3,The coating is symmetrical and not easily to flake away, good adhesion, and strong resistant to corrosion,  durable and nice.Using specilized exterior motor with  thermel protection device ,which made the shutter door is durable,low noise, easily to install.

4,The open command of the roller door door is electric, with fixed switches and remote controls.it can open manually in case of power failure also.

5,The opening speed of the roller  door can up to 0.1m/s,which save the power largely.the working noise is less than *8 .