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Introduction and classification of Shi blockade
Jul 23, 2018

The lock is also called a one-time lock, the box seal, as long as the lock is used, it can not be opened, only it can be destroyed, widely used in railways, ports, aviation, post and telecommunications, electricity, oil, logistics, express , transport of various types of containers, tankers and other goods. The sealing and locking are completed once, and it has special functions such as anti-counterfeiting, anti-theft, safety and insurance. Each lock has a number on it so that it won't be dropped. In short, the use of the blockade is a one-time lock to prevent others from touching.

The common seals on the market are mainly divided into plastic seals (sealing strips), aluminum anti-theft seals, wire seals, high security seals, instrument seals, etc. according to different materials.

The lock can be customized according to the customer's requirements, including what color, printing, laser or stamping company name, branding the customer company, serial number or barcode.