This rolling shutter door is a double-layer hollow aluminum alloy profile. The door piece is 5cm wide and 1.2cm thick. It has a 6-inch (161cm) diameter main beam reel. It has a high-power manual zipper, a long-distance remote control receiver, and two original remote control handles. It can be easily added, with a maximum of 1800 pieces of compensation. The electric machine is guaranteed for replacement for two years and one year, and the door-to-door service is provided day and night. On call.
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