Продам Брандмауэр Роллинг двери двигатель

Specifications: 1) Relative humidity: 90% (25°C) 2) Short hour working system, continuous operation not exceeding 7 minutes with one phase and 10 minutes with three phases 3) Stylish, advanced structure and strong power 4) Imported electronic parts 5) Safe and stable 6) Little vibration and small power consumption 7) Light weight, easy to install, long operational life and reliable performance 8) Remote control: long-distance operation 9) Theft proof and fire proof functions 10) Easy manual operation in case of power failure 11) The first power storage mechanism of its kind in China 12) Security mechanism in case chain is broken, (state patent)