FRP negative "Micro Cooling Fan", to solve the plant cooling, ventilation, save money, dust, odor five problems. It also has a one-time small investment, low operating cost, good air quality, cooling distinctive features. With wet curtain can effectively regulate indoor humidity. FRP suction fan with "Micro Cooling Fan" use. Wet curtain of steel and glass suction fan were installed in the plant opposite sides of the wall, glass steel suction fan ventilation, negative pressure inside the plant, forcing the outdoor air flow through the wet curtain porous wet surfaces. After evaporation of the water absorbs heat, reduces the temperature of the air entering the room. "Micro Cooling Fan" steady stream of work. Makes the plant temperature quickly dropped to a comfortable temperature. Suitable for high temperature, dust heavy with the smell of special occasions. Do not take up floor space, is ideal for the modern factory ventilation and cooling products.