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At present, the domestic super B-level anti-theft lock cylinder can effectively prevent the master key, and the quality is also stable.
Main brands: Meribao, Yuema, Golden Point Atom.
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If you want to find a security lock cylinder with high anti-theft, you should take a look at the lock of Modile and the colorful lock cylinder of CEI, these two brands of locks are super B-level, anti-technical opening for more than 270 minutes, anti-theft is very good, check it on the Internet and you will know!
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Bready professional security locks for industrial use, the lock body and lock ring are made of tungsten carbide steel, which is anti-drilling and anti-burglar.
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Qingdao Ideal door lock.
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It's not a bad idea to choose a multi-spirit anti-theft lock.
Wrap a mop in a ball and pump it vigorously in the toilet bowl a few times, if it doesn't work, buy a rubber stopper that runs through the toilet bowl and try it.
The lock of Zhejiang Qihao is good.
Guard against theft. If the lock is picked, the manufacturer will compensate. >>>More
Security doors are not a panacea.
If you go to repair the lock, someone will help you match it, because if you don't repair it, he will be able to have a spring, and he can fix your key and lock, where can you go up to find it.
The lockpicking company is about 200 yuan.