The difference between AB quantum anti theft door lock cylinder and AB lock cylinder

The so-called ABC lock cylinder or what super B-level lock cylinder is just a shh The anti-technical opening performance is required to be no less than 1 minute for Class A and not less than 5 minutes for Class B; The mutual opening rate of grade A is required to be no more than 3/10,000, and grade B is required to be no more than 1/10,000.

When buying locks, you should be clear about a few points: first, you should buy B-class locks; The second is to ask whether the lock cylinder and lock body are B-level, so as not to fool consumers with B-level lock cylinders and A-level lock bodies; Third, it is best to buy brand locks, such as Baodean, Security, Hongli, Anheng, Golden Point Atom, etc. are good brands; Fourth, ask the number of keys, 2 general decoration keys, 6 master keys are the best, if the ABC key will reduce a master key, it will be inconvenient if there are more people in the family.