The steel seal at the bottom of the cigarette case will generally indicate the origin, batch number and production date of the cigarette. Steel seal can be used to judge whether cigarettes are genuine or not or whether the production date has expired.

Extended data:

Cigarette:

A cigarette is a tobacco product. The production method is to dry tobacco and shred it, and then grow it into a barrel-shaped strip with a diameter of 120mm in a paper roll.

When smoking, one end is lit, and then the smoke is breathed through the mouth at the other end. Cigars are smoked by rolling tobacco into cylindrical strips.

The main difference between cigarettes and cigars is that cigarettes are smaller and tobacco is finely chopped. Cigarettes were first popular in Turkey, and locals like to roll up tobacco with newspapers and smoke it.

Steel seal:

Steel seal is a seal made of steel plate engraved with two seals: upper and lower yin and yang. Usually covered on special documents or photos, there is no color, only raised words, numbers and icons. In iron and steel enterprises, it is used to mark finished plates or bars. Generally, it consists of ten Arabic numerals from 0 to 9. Most of them are made of special tool steel or hard alloy steel through special heat treatment process.

Steel seal is an important seal specially used by the national government and other authoritative departments to identify the authenticity of certificates, documents and certificates. Such as graduation certificate, work permit, marriage certificate, notarial certificate, etc. Need to be stamped with steel seal.

Reference link: Steel Seal-Baidu Encyclopedia