◆It has been equipped with advanced whole air reduced device, internationally advanced power-saving technology and automatically heat protected system.
◆The light weight aluminum punch fan blades with large angle, large wind output and low noise.  
◆ The motor adopts punch outer crust and bearing roll with low noise,long life time. 
 ◆Its parts are punched with thin steel board of high quality good performance, light weight, elegant appearance and easy to be installed.  CAD optimized devised wind output:840-8700m3/hour.  
◆ The outer size has hauling and vertical canister, and outer frame can be stainless steel or steel spraying. It can easily meet the requirements of the different customers.