1. Item number on the tag: guess the year according to the number on the item number, because the item number of different brands has different meanings, some are years and some are colors.
2. Barcode on the tag: You can see the production date of clothes through the barcode on the tag of brand clothes. There is a bar code on the tag of each brand clothing, which corresponds to a group of disguised numbers and letters or pure numbers. This is the clothing model. The code format of general brand clothing item number is as follows: brand+year (quarter)+category+serial number+color+size.
3. On the washing label: The washing label has the production date. It should be noted that not all brands of clothing are marked with the date of production, and different brands may have different labeling methods.