■The fire resistant shutter comprise of fireproofing machines,fire control boxes and curtains,guide rails,seat panels,sills cabinets while made of steel materials,can meet the requirements of fire resistance and heat radiation.
■Steel fire-proof and smoke-proof shutter(ordinary type) has three operation modes:electric, manual and automatic.The control box is provided with a smoke-sensing and temperature-sensing control system, which can be independently operated or automatically controlled by the fire-fighting center.It also has an automatic control function of opening and closing the shutter, two-step closing and the like.