Tricycle Part, Drive Rear Axle, Brushless Motor Controller manufacturer / supplier in China, offering 120cm 2 Tons Heavy Duty Oil Brake Chain Type Rear Axle Freight Four-Wheeler Engineering Electric Tricycle DC Motor Drive Axle Assembly, 110cm 2 Tons Heavy Duty Oil Brake Chain Type Rear Axle Freight Four-Wheeler Engineering Electric Tricycle DC Motor Drive Axle Assembly, 100cm 2 Tons Heavy Duty Oil Brake Chain Type Rear Axle Freight Four-Wheeler Engineering Electric Tricycle DC Motor Drive Axle Assembly and so on.