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1.Choice Material. Strict Quality Control: With our much experience in manufacturing for many years, We are always trying to make an effort to innovate our product. The outer case is made of the high quality aluminum alloy through extrusion. Each machine has been deteced through practical running test for high performance. 2.Small Size & Easy Installation: Light and beautiful. Good for being installed to any place. Easy installaion. 3.Strong Torque power. Noiseless during running 4.Special hand qulling chain: This hand pulling chain can be pulled any way without biting causing brake failure and stop motor running. 5.Motor Protective Device: Attached with a heat sensor. When the temperature is over 90 , the motor will stop automatically, and it will return to the normal running condition automatically when the temperature falls down the 70 . 6.Automatic Falling Device: This machine is attached with an automatic falling lever. During the period of power cut, the rolled door shall come down by push this lever. And the door can be lifted by operating the attached chain. 7.Electromagnetic Brake: This machine is with the electromagnetic dise brake. the brake parts can be off completely for being free of rubbing.
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