Is there any factory that can order security door locks?

No, the lock cylinder is very cheap, go to the hardware store to match it.

The lock cylinder can be replaced by the anti-theft door, first select the appropriate lock cylinder, and then screw out all the screws that fix the lock cylinder, remove the original lock cylinder, and then install the selected lock cylinder, but before installing the handle, the safety bolt should be inserted first, and then the handle on it should be installed. Try the effect after installation, and be sure to try it against the door to avoid being locked out. >>>More

Ordinary anti-theft locks are universal, and some high-end anti-theft locks with chips are not universal.

When it comes to the security door lock cylinder, I believe everyone is familiar with it. So the question is, can the lock cylinder of the anti-theft door be replaced by itself? How much does it cost to change the lock cylinder of the security door? If you're interested, let me take a look. >>>More

It is indeed good to buy an anti-theft door lock, if you want to buy a brand, you can go to know Israel Modile, their anti-theft door locks meet a number of international anti-theft standards, and many national government departments are in use, trustworthy.