1. Frame: 80g/m2 hot galvanized iron plate, thickness can do 0.6/0.7/0.8mm.
2. Net: galvanized wire spray, Column: hot galvanized iron plate.
3. Shutter: 180g/m2 hot galvanized iron, thickness 0.3/0.4mm.
4. Motor: China brand Taicheng, meet national standard, 100% pure copper.
5. Belt: Brand sanlux.
6. Blade: stainless steel material with large air volume, low noise, non-deformation, no broken.