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Anonymous users2024-01-24There are national standards for anti-theft doors, as long as the door frame on the steel seal anti-theft level of the corresponding materials and locks must be in accordance with the national standard, if there is no steel seal anti-theft level, it can only be called the steel door to enter the door, how thin and cheap, as long as the consumption is recognized.
Yes, it is sold in every urban building materials market, you can go to the nearest home to have a look.
There are problems, but the general brand door has high requirements for locks, so there should be no problem.
Selling the lapping installation cost of the security door. They're in charge of the installation.
The price of the security door is calculated according to the square The price of the fire door is calculated according to the square.
Go to a specialty store, or to the local building materials market. Navigate with a map. Don't be cheap. There is a steel stamp on the inner frame of the anti-theft door "A, B, C, D", which is relatively stable, and the one without the steel seal is definitely not an anti-theft door, which can only be called a steel door.