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Anonymous users2024-01-24The door is automatically locked when closed, saving the trouble of manual locking.
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Anonymous users2024-01-23It's very simple to automatically lock the door when you close it.
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Anonymous users2024-01-22Electronic automatic lock, more like the current door electronic key, one press on and one off.
A, B, C key lock, it has A, B, C three keys. The function of the A, B, and C keys is that when people install the lock, the owner can hand over the A key to the house decoration personnel for them to unlock the door in and out of the house, so the A key is also called the "decoration key"; The C key can also be used normally. When the decoration is completed, the owner does not need the decoration personnel to enter the room, the owner inserts the B key into the lock hole and turns the lock cylinder (circle), the A key loses the function of unlocking, and the key can be used normally in the future. >>>More
Is it wiped to the door frame when the door leaf is opened?
The anti-theft door is divided into grades, the thickness of the Grade A security door is about 2 mm, the security door is used in fire and sound insulation, heat insulation and thermal insulation performance of aviation honeycomb aluminum or aluminum silicate rock wool, etc., like the anti-theft performance of the lock of the Grade A security door is B-level, which is what we call the advanced protection level, the Grade A anti-theft door will be more durable.
BY is the first letter capitalization of step (BU) yang (YANG) pinyin.
Boundless means that the security door does not have edging. Hemming is to play an anti-theft role, there are single or yard slag edging, there are also double edging. Is there an inner edging or an outer edging. >>>More