... 2.3-3m 2.aluminum shell air curtain 3.with remote control an Specifications1.Installation heigh 2.3-3m 2.aluminum shell air curtain 3.with ... quality question, in three months the application replaces newly machine.3. The post-sale track service, the telephone pays a ... . 2. Design patent makes the profile beautiful and graceful. ,,,.3. Hight efficiency,low noise,overload protection motor,more safety and ...