1.Material :The fan blade is made of 66-type nylon mixed with 30% FRP, high hardness and toughness. Pass the dynamic street test to reduce energy consumption and increase the service life.
2. Accuratefan blade angle design.3. The outer frame is made of zinc, the thickness of the plate is 1.0 mm, and the zinc layer is 275g/sqm.
4. Louver 275g/sqm high zinc layer sheet, 0.6mm thick, easy to install and remove.
5. The shutter opening method: no heavy hammer, can achieve natural opening and closing.
