Controller, Gear Box, Rear Axle manufacturer / supplier in China, offering Efficient Smart Electric Tricycle DC48V 60V 72V 700W Customizable Motor Controller, Reliable Durable Three - Wheel Vehicle 700W Customizable Motor Controller DC48V 60V 72V, High - Performance Compatible Electric Tricycle DC48V 60V 72V 700W Customizable Motor Controller and so on.