Industrial exhaust fan different from our small household exhaust fan, it is need to install specialized staff, and at the time of installation is the need to pay attention to some matters......

  The ventilator is generally in accordance with the specifications of fan diameter, 100mm, 150mm, 200mm, 250mm, 300mm, 350mm, 400mm, 450mm and 500mm. The specifications ......

Buy Fan skills            1, after electrify the fan blades rotate smoothly, no abnormal noise, large air volume. Blow type louver louver flexible. Linked type window.....