HITO AUTO (HANG ZHOU) CO., LTD is fire door hinge grade manufacturers and suppliers in China who can wholesale fire door hinge grade. We can provide professional service and better price for you. If you interested in fire door hinge grade 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.