The concept of disposable locks

Industry News, 09-27-2018

Shi blockade is a naming of lead-sealed products within the industry of the Ministry of Railways, Shi: implementation, seal: seal, seal, lock: lock. In fact, the most popular saying is: one-time lock. In 2009, the National Standards Committee introduced the international standard ISO17712 and established the national standard, officially named the box seal. As long as you use this so-called blockade, you can't open it, you can only destroy it, so its application is also very extensive, such as customs, electricity and other places to prevent secondary contact by others, you can use the blockade。

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