... for humidifiers, heater, medical devices, water pumps, quality and economic humidifier fan motorhas ROHS CE CSA UL CCC TUV ISO certifications ... load. The length of shaft can be designed in accordance with user's requirements including whorl, ribbonfil, etc. In accordance ... shafts , we also can design the other bracket in accordance with user's requirements.1,factory tour humidifier fan motor 48/20