... Wide range usage 4.Smooth and quiet operation 5.High accuracy control Drive For Brushless And Asynchronous Motors Applicant : 1 ... ,cellphone charger,etc.. 2)function:Mountain climbing and hiking, camping such outdoor sports; Blackouts, earthquake, flood, etc, to ... 9001:2000 certification 8) appearance: Bright surface gloss and attractive designs 9)merit:Environmental protection, energy saving, ...