double speed air cooler fan 1.Make cross fan according to customers technical require and drawing. 2.Cer:Rohs,3C, We ... the motors with different voltage,frequency and shaft length according to customer's requirement.Our products are widely used in household ... , Micro-wave oven, warm-up machine, exhauster, heat-wave oven, fan, air-cleaner, humidifier, clean bowl machine etc.Certification: CCC ROHS ...