zhengzhou known imp. & exp. co. ltd is portable toilet trailer manufacturers and suppliers in China who can wholesale portable toilet trailer. We can provide professional service and better price for you. If you interested in portable toilet trailer 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.