Everyone discusses whether the lock cylinder of the anti theft door upgrade is looking for the manuf

This is not necessarily, because at present, the manufacturers of the anti-theft door may not produce anti-theft locks, and even most of the anti-theft door manufacturers do not produce anti-theft locks at all, and some manufacturers of anti-theft locks are not only supporting the door factory, but also retail in the market, so they may not necessarily go to the anti-theft door brand after-sales service personnel (except for the warranty), buyers can go to the market to find their own anti-theft lock cylinder, of course, it is necessary to find their favorite lock cylinder is to make some effort, it is recommended to try to choose a good online review, a good brand, Brand merchants with formal after-sales service.