Intercom Door Technology Description:

1. Product quality meets the Public Security Ministry industry standards "General Technical Conditions for Elevator and Apartment Intercom Electric Control Security Doors GA/T73-94" and "General Technical Conditions for Security Doors GB17565-1998."

2. Key Indicators:

The surface of the intercom doors is all treated for corrosion resistance, with a smooth and even paint film that is durable and long-lasting.

● The lock installation area uses a anti-drilling reinforced steel plate with a thickness of no less than 3mm, serving as a theft and tampering prevention measure.

● Door Frame Structure: The door frame steel plate thickness is generally not less than 2mm, and the door leaf steel plate thickness is generally not less than 0.8mm.

● Fit Gap: The gap between the door leaf and door frame should not exceed 4mm.

● Hinge: Purchase reinforced steel hinges, capable of supporting the door's weight, suitable for frequent opening and closing applications.