1suction fan Used for ventilation and air exchange: installed outside the workshop window, usually selecting a lower air outlet to draw air outward and extract odorous gases; Generally, chemical plants and other applications are more common. 

2. Negative pressure fan combined with wet curtain: used for cooling the workshop in hot summer, no matter how hot your workshop is, the wet curtain negative pressure fan system can lower the temperature of your workshop to around 30 ° C and provide a certain humidity. 

3. Negative pressure fans are particularly suitable for the following areas  A、 Suitable for workshops with high temperatures or odors, such as heat treatment plants, casting plants, plastic plants, aluminum profile plants, shoe factories, leather goods factories, electroplating plants, and various chemical plants.B、 Suitable for labor-intensive enterprises such as clothing factories, various assembly workshops, and internet cafes.C、 Ventilation and cooling in horticultural greenhouses, and cooling in livestock farms.D、 Especially suitable for places that require cooling and a certain level of humidity. Various textile factories such as cotton mills, wool mills, linen mills, weaving mills, chemical fiber mills, warp knitting mills, elastic mills, knitting mills, silk mills, sock mills, etc.E、 Suitable for the field of warehousing and logistics 

4. Negative pressure fan used as exhaust fan: Currently, the efficiency of general exhaust fans (commonly known as Yanggu fans) is relatively poor, and one exhaust fan can only blow a few people. Negative pressure fans, on the other hand, have water curtains for livestock fans, whether placed on the ground or hung in the air. Generally, a 1000 square meter workshop uses 4 units, which means that the entire room is blown by the wind.