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Functional features of good price and quality lead door china: 1. Operating performance of good price and quality lead door china : there are four kinds of operating devices: a. the remote controller remotely operates the opening and closing of doors; B. Luxury elevator type control panel and control button to open and close the lead door; C. Optional pedal control switch; D. The lead door can be opened and closed manually after power failure; 2. Safety device of good price and quality lead door china: it has electrical, mechanical and infrared protection devices to ensure safe and reliable use; The infrared protection device can prevent the electric door from crushing and injuring personnel during operation; 3. Frequency conversion device of good price and quality lead door china: through the speed change during the operation of the electric door to ensure safer use; At the same time, it is safer to use; At the same time, the operation is balanced and the noise is low;