Dual-track fire shutter curtain inorganic fire-resistant rating TF3 (fire resistance 3.0h, premium) for the building fire. The use of high-quality fire prevention materials for the fire aluminosilicate fiber matrix, in addition to fire prevention and fire-resistant cloth radiation smoldering multiple layers of cloth, in the vertical rope add more cord are the tensile properties, with the wind in the horizontal plate, to enhance the intensity of wind pressure, the electrical control of the use of buttons at the same time to achieve a sense of Smoke and temperature control, and interaction with the fire control center. Installation convenience, Needless to spray system.