1. It has dual functions of fire integrity and heat insulation;

2. Fire linkage control, optional in one step or two steps;

3. Fire-proof certified products such as roller blind machines for fire rolling blind have functions such as automatic limit, broken chain protection, manual control and other functions;

4. Fire-proof roller shutter controllers and other fire-certified products have functions such as fire linkage and manual control, with backup power supply;

5. Use occasion: partitioned areas requiring fire protection zoning in various industrial, commercial and civil buildings.