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Anonymous users2024-01-23That's right, two-way operation, anti-lock and anti-theft in the house.
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Anonymous users2024-01-22He can use exceptions, and a key can also be locked, and the outside can also be locked, and the anti-theft door can be used, and he said that they can all be drunk together, so it is more convenient for you to say, so you can apply it.
It depends on the specific size of your lock cylinder, because some lock cylinders are not the same length inside and outside, and they must not be replaced. >>>More
You can't change it yourself! Can I open the door? It may be that the lock cylinder and lock body do not match! But it depends on the picture (and whether it has been under the lock body).
It must be looking for a business, and this must be looking for a manufacturer, looking for a manufacturer, and contacting the manufacturer.
At present, the lock cylinder level on the market is divided into three levels, and its security level is arranged in order from low to high as A-B-B-super B-level, which level of the lock cylinder can be preliminarily distinguished from the key, the key of the A-level lock cylinder has only one row of cogging on each side, and there are two rows of cogging on both sides of the B-level, the cogging of the super B-level is completely different from the A-level and B-level, the super-B-level lock cylinder is not with a marble, but with a blade, and the key cogging is usually one or more serpentine grooves. As for the C-level that someone said, I haven't heard of it, let alone seen it.
Panpan anti-theft door factory does not produce lock cylinders, they are all OEM, and the most used is Zhejiang Baodean lock.