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Installation method of book security door

1. Slotted and buried installation of book anti-theft door Features: The connection line has good concealment, less faults, and the ground is easy to clean Disadvantages: The construction produces a lot of dust and noise, which is suitable for installation when the books are not on the bookshelf a......

The locking and unlocking principle of the anti-theft buckle

Every time we pay for clothes, we often see cashiers unlocking the anti-theft buckles on the clothes. Just gently place the anti-theft buckle on the release and it will open. At this time, many people will be curious, what principle is used to unlock the anti-theft buckle? Let me tell you the answer......

Anti-theft of sound and magnetic anti-theft system

Anti-theft of sound and magnetic anti-theft system

What are the items of anti-theft installation in supermarkets?

Correct placement of anti-theft hard tags