TOP Cargo Bike Manufacturer Since 1989 is used adult tricycle manufacturers and suppliers in China who can wholesale used adult tricycle. We can provide professional service and better price for you. If you interested in used adult tricycle products, please contact with us. Tips: Special needs, for example: OEM, ODM, customized according to demands, design and others, please email us and tell us detail needs. We follow the quality of rest assured that the price of conscience, dedicated service.