Intercom Door Access Technology Description:

1. Product quality meets the Public Security Ministry's industry standards "General Technical Conditions for Apartment Intercom Electric Access 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 with anti-corrosion, featuring smooth and even paint film, durable for long-term use.

The locking mechanism 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 panel 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, sufficient to support the door's weight, suitable for frequent door opening and closing applications.