What level of security door is generally used in homes

Now the country has not officially stipulated that there is a C-level lock cylinder, the highest is only a B-level lock cylinder, and those super B-level lock cylinders and C-level lock cylinders are the manufacturer's own gimmicks.

This Dongdong Shaziling has bought, I used to install a fingerprint lock in Xiangtan City General Store, what brand I forgot, the anti-theft door is a new multi-brand, used for almost five years, spent more than 3,000, and now it should be cheaper. It hasn't been repaired, it's good, it's the façade behind the stop sign of the starting point of the No. 15 bus. Next to it is Unicom, China Construction Bank.

Less well-known manufacturers open 900-1000 yuan alone, and there are also 500-700 those that are better not to use, not to use.

Normally, the standard size of the household security door is 2050 * 960, of which the most standard is 2050 * 860, in addition to 1970 * 960 1970 * 860 and other different sizes of the security door, the size of the security door is generally made according to the needs of the family, the maximum can be 2500 * 2500. >>>More

First of all, if you go to a regular lock shop (Li Wen lock city) to buy, the price is more reasonable, the quality is also excellent, people core is actually divided into two kinds: grade A and grade B, and super grade B is a level set by the lock cylinder company, also known as enterprise level. The level of A, B, C, is mainly distinguished according to the material and thickness of the door. The most important thing for a door is the lock, and the most important thing for the lock is the lock cylinder, the higher the level, the better the anti-theft effect.