AC & DC rolling shutter door motor Automatic smoke curtain is elevator door smoke barrier manufacturers and suppliers in China who can wholesale elevator door smoke barrier. We can provide professional service and better price for you. If you interested in elevator door smoke barrier 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.