Tricycle Part, Drive Rear Axle, Brushless Motor Controller manufacturer / supplier in China, offering Heavy Duty Oil Brake Rear Axle Reducer Gearbox, 1: 41 Low-Speed Differential, 1: 41 Low-Speed Differential Heavy-Duty Oil Brake Rear Axle Reducer Gearbox, 72V Pmsm Control System Permanent Magnet Synchronous Motor Controller, High-Power Rotary Control Assembly and so on.