Building Intercom Door Technical Description:

1. Product quality meets the Public Security Ministry industry standards "General Technical Conditions for 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 for buildings is all treated for corrosion resistance, with a smooth and even finish that is durable over time.

● The lock installation area is reinforced with a steel plate not less than 3mm thick, providing anti-theft and anti-prying protection.

Door Frame Structure: The steel thickness of the door frame is generally not less than 2mm, and the steel thickness of the door leaf 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 to adequately support the door weight and meet the needs of frequent door opening and closing.