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