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The complete machine adopts CAD/CAM design, is made up of frame, supporting shelf, electric motor, fan leaf, wind giving device, shutter and protective net and so on. It adopts stainless steel, galvanized plate, aluminum alloy, etc.The machine has following features: low investment cost, large wind quantity, low noise, low energy consumption, smooth running, long service life, high efficiency, elegant appearance, etc.
The shutters can be shut automatically to prevent water and dust. It is waterproof and dustproof. It can blow up but also can extract .It is the best choice for cooling ventilation in modern factory. This negative machine, which is environment-protective, energy-saving, will be the main trend in the cooling ventilation equipment market.
