◆采用獨(du)特的推開百葉(xie)機構裝置(zhi)能自(zi)動(dong)打開和(he)關閉(bi)百葉(xie)窗葉(xie)片；

◆采用不(bu)銹鋼(gang)扇(shan)葉片一次沖壓(ya)成型工藝，不(bu)變形、不(bu)斷裂、美觀耐用，高精度動(dong)平衡檢測(ce)校(xiao)正(zheng)，保證(zheng)風機(ji)運轉平穩無振動(dong)，降低噪音，有效提高使用壽命；

◆采(cai)用(yong)特有的(de)凹進式風機搬運提手設計，不(bu)但有效(xiao)(xiao)避免裝卸、搬運過程中的(de)不(bu)便，還不(bu)會影響風機安裝和外(wai)觀效(xiao)(xiao)果；

◆V型(xing)皮(pi)帶輪由高(gao)強度(du)的(de)鋁合金材料熱壓(ya)鑄成(cheng)型(xing)，材質輕(qing)、強度(du)高(gao)；

◆配置高效節能電(dian)機，通過3C認證，防(fang)護等(deng)級：IP55，絕(jue)緣等(deng)級F級；

◆機械離心式打開機構采用韌性高的(de)增強尼龍100%原料注塑加(jia)工，強度(du)高、壽(shou)命長；

◆導向桿內嵌(qian)的鋼件安裝在法(fa)蘭片上，增強了機構的可靠性，有(you)效避免尼(ni)龍生產過(guo)程的伸(shen)縮變動。

◆Patented designed centrifugal system which can open and close automaticlly,ensuring the shutter opens 90degree under all the condition.And uncontrol-lable air can prevent from going into the birdhouse when the shutter works;

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

◆Experiment of homeostasis make the blade work smoothly,nearly no noise and steadily output of air;

◆Centrifugal shutter system made of high quality engineering nylon,high strength and long service life;

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