◆合理的喇叭口设计，噪音低、风量大、抽风力强、运转费用低；21.jpg

◆进口轴承，强度高、噪音小、持久耐用；

◆采用空气顺流原理合成式PVC百叶窗或铝板百叶窗，抗氧化、重量轻、不变形、开启灵活、防空气倒流；

◆500快三高强度多加强筋铝镁合金皮带轮，重量轻、强度高、韧性好；

◆6片不锈钢扇叶，不变形、不断裂、美观耐用；

◆500快三有垂直式和倾斜式两种风机，有效满足不同场地的需求；

◆500快三配置高效节能电机，通过3C认证，防护等级:IP55，绝缘等级:F级。

◆Reasonable cone designing with big air volume,low noise;

◆Imported bearing,high-strength,low noise and long service life;

◆500快三Shutter are made of high strength hot-galvanized steel sheet,anti-tioxidant,light weight and no distortions;

◆500快三High strength dabber aluminium-magnesium alloy wheel.hight strength and long service life;

◆Mirror designed and injection moulding Stainless steel balde,with big air volume,never distor-tion and broken;

◆High efficient and energy-saving motor with ccc certificate,protection class:IP55,insulation- class:F grade.