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Anonymous users2024-01-24The key is one thing, and the lock for the high-quality and expensive security door is also good. The lock cylinder of the security door can be identified by the number of bullet rows, generally speaking, the multi-row bullet lock is better than the single-row bullet lock, and the multi-row invisible bullet lock is better than the ordinary multi-row bullet lock. "The cost of B-level locks is higher than A-level locks, if you feel that your own anti-theft door lock is not safe, you can consider changing to a B-level lock with a high anti-theft level or a super B-level lock.
Super B-level lock: Generally double-sided double-row bullet slots from the key, there is also a blade or curve next to it.
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Anonymous users2024-01-23The quality of the security door is not only to look at the lock, but also to look at the thickness of the iron sheet, the filling and the workmanship of the lock, the paint water,. Locks are only part of the equation. Of course, it is also the most important part. The quality of the security door should be judged by neutralizing the above factors.
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Anonymous users2024-01-22The key is one thing, the most important thing is to look at the lock point, the lock cylinder, and the thing added in the middle of the door, which determines the sound insulation of the door.
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Anonymous users2024-01-21No, the whole door of the eight-character mouth, locks, and points have to be looked at carefully.
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Anonymous users2024-01-20The tooth shape that can be seen from the key is peculiar.
As a layman, I don't know how to classify and have the professional knowledge of the rules and regulations of the anti-theft door, so we will judge the quality from the style, material thickness, locks, and production tools, so I think that it can have a strong anti-pry and anti-smashing of the anti-theft can be a good, qualified anti-theft door.
It's very easy to use.,Door-in-door?。 It depends on what price you want, if you are rural, it is recommended to buy stainless steel doors Although the price is high, it is more useful, and the gauze requires invisibility, and it will not be broken in 4-6 years. The lacquer should be lightfast to imitate copper!
Founded in 2002, Spring Group is a large-scale modern enterprise integrating five industrial chains with the production and manufacture of various anti-theft doors, fire doors, armored doors, wooden doors and other products, with a professional and perfect pre-sales and after-sales service system and more than 2,000 sales outlets. >>>More
How about the Longyang brand security door >>>More
In general, it is better to use a door-in-door. The so-called [door in the door] is to open a small door on the fire prevention and anti-theft door, nail the screen window on the newly opened door opening, and then press a closed door at the screen window inside the anti-theft door. When ventilation is needed, it is turned on and closed when it is not needed. >>>More