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1. Advanced cone designing, frontward open system, butterfly type.It can also keep dirty things away from the inside of the fan,in the long run, the fan will have a long service life.
2.The frame material is galvanized with advanced auto-machining techincs.Sheet thickness is 275g/m2.
3. 6Blade one fan with Stainess stell blade, Model 430BA. Do balance test to make sure the weight between each blade is similar.
4.Shutter is opened by the special automatic centrifugal open system,which material is 70% of Nylon and 30% of glass fibre
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