Product advantages 1. Anti-theft function: The steel structure of the security door provides solid protection, and the smart password lock can effectively prevent theft and intrusion. 2. Excellent fireproof performance: The security door is usually made of fireproof materials, which can prevent the spread of fire for a certain period of time and provide additional security. 3. Good sound insulation: The structure and materials of the security door can effectively isolate external sounds and provide a quiet indoor environment. 4. Strong thermal insulation performance: The security door can reduce indoor and outdoor heat exchange, maintain indoor temperature stability, and save energy. 5. Beautiful and elegant: The finishing materials of the security door are diverse, and you can choose according to your personal preferences and architectural style to make the door coordinated with the overall environment. Optional color matching Snow Flower Gray Yellow Bronze…