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It's best to change the lock cylinder yourself, because the matching lock cylinder is not good and is not used. Usually hardware stores and lock shops are fine.
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It is best to buy it from the original manufacturer, which is more reliable.
Grade lock cylinder, with technical opening time within 1 minute. >>>More
If the lock cylinder of the anti-theft door is broken, the safety on the door cannot be opened, because the safety is located inside the lock cylinder, and the lock cylinder can only be replaced, and the specific operation steps are as follows: >>>More
You can buy it online! The key is to buy a lock cylinder with good anti-theft, it is recommended that you take a look at the lock of Modila and the colorful lock cylinder of CEI, these two brands of locks are super B-level, anti-technical opening for more than 270 minutes, and the anti-theft is very good. Look it up on the Internet and you'll find out!
Who really repairs the lock cylinder, basically no one repairs it, because it can't be repaired, it's better to change it.
Change the lock cylinder, and the lock cylinder can be opened when you change it.