Cathay Pacific air defense equipment:
1. Reinforced concrete protective equipment: reinforced concrete single-fan, double-fan, movable threshold protective door, sealed door and sealed door protective door are used for door leaves.
2. Manual protective equipment for steel structure: steel manual opening and closing protective doors, protective sealed doors, sealed doors, valves, closed observation windows and baffles.
3. Valves: various types of closed valves, explosion-proof floor drains and explosion-proof wave gate valves.
4. Gate control: various types of electronic control protection sealed doors.
5. Anti-electromagnetic pulse: anti-electromagnetic pulse door-to-door inquiry, and provide users with high-level qualification installation and civil air defense equipment maintenance services.