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Anonymous users2024-01-23One of the top ten brands of domestic security doors, it is now the industry leader. The price is around 1700, and the price of the security door with the model number B is 1750....Feiyun Grade A Door Deluxe Door E-3 Feiyun H3-9-2 Steel Large.
I think so, the sun, spring, Panpan, are good, they are all big brands, and the security door is not a high-tech product, there is not much technical content. >>>More
Well, the lock cylinder specifications are unified, and it depends on whether the master who installed the lock is professional or not.
Ordinary security doors, the door and lock are separated, and they can still be opened by professional technology; Embedded smart door, the lock is embedded in the door body, the lock is a part of the door, if you want to disassemble it, unless the door is forced to smash open, anti-prying, beautiful, no holes and no locks. In 2012, Hunan Jinlifang Technology put forward the embedded concept and developed and produced.
Yes, because the B key was used by the construction workers.,You can't use it after using it.,Or you don't feel at ease.。。 And the A key needless to say, you use it, of course you can open it, the C key doesn't understand much... It should also be possible ...
The super B-level lock cylinder key cannot be matched, because in order to play a better anti-theft role, the key shape of the super B-level lock cylinder is made more strange and complex, which is quite different from the general key. >>>More