identification glass bottle markings bottom

1. The number represents the mold code when the bottle is produced.

2. If there is a quality problem after the glass bottle is produced, it can be found out which mold has the problem according to the bottle bottom number. The higher the number, the higher the safety level. Only bottles above 5 can be used repeatedly, and those below 5 cannot be used repeatedly.

3. Glass is also a very historical packaging material. With many kinds of packaging materials flooding into the market, glass containers still occupy an important position in beverage packaging, which is inseparable from its packaging characteristics that cannot be replaced by other packaging materials.