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Anonymous users2024-01-23The national standard strictly stipulates that the inner upper side of the door frame of the anti-theft door must be printed with the corresponding grade words of "A, B, C, D", and some businesses use steel doors to pretend to be anti-theft doors. Anti-theft doors: Now the sturdiness of the door leaf of the big brand can be used with confidence. But the security door is still recommended to look at Wang Li, now many anti-theft doors are made of a variety of styles, to attract customers with the appearance, but the locks are almost the same.
Wang Li can lock and automatically reverse lock. The lock body cylinder key is different from others, and the anti-theft performance is also better.
The security door selection method is as follows: >>>More
Panpan, hehe.
However, there is no security door. >>>More
The thickness of the steel plate of the qualified anti-theft security door frame should be more than 2mm, the thickness of the door body is generally more than 20mm, the weight of the door body should be checked, generally more than 40kg, and the internal structure of the door body can be checked by removing the cat's eye, doorbell box or lock handle, etc., the thickness of the steel plate of the door body should be above, and there are several reinforcing steel skeletons inside, so that the front and rear panels of the door body are organically connected together to enhance the overall strength of the door body. Among them, the fire door should be filled with asbestos (fireproof cotton) and other materials with fireproof function as filling, knock on the door body with your hand to make a "knock" sound, and consumers should be flexible when opening and closing the door by hand. The door-to-door network reminds consumers that the production of fireproof doors should have the qualification certificate for the production of fireproof doors issued by the state.
The security door itself does not wear a cat's eye, because some thieves will open the door from the house through the cat's eye to steal, and the security door without a cat's eye is qualified. >>>More
1. About the appearance of the security door.
Consumers should choose the appropriate anti-theft security door according to the actual requirements of the door opening size, opening direction, color and pattern of the room. >>>More