1. Reasonable cone designing, low noise, big air flow,strong ventilation, low operating cost;

2. Imported bearing, high-strength, low noise, durable;

3. Using air downstream principle, pvc shutter or aluminum shutter, antioxidant, light weight, no distortion, open and close sweetly, prevent backflow of air;

4. High-strength more high-gluten strength aluminum-magnesium alloy wheel, light weight, high strength, toughness good;

5. 6 pcs stainless steel blades, no distortion, no breaking, aesthetic durability;

6. There are two types of fan house, slant wall type, upright wall type, could satisfy varieties need

of different customers;

7. The high efficient and energy-saving motor passed the national CCC certification. Also

protection class:IP55, insulation class: F grade.