Tianjin wine blue bottle has six figures.

The six numbers on the blue bottle of Tianjin liquor usually refer to the production batch number of the product. According to the relevant public information, this batch number is compiled by the manufacturer according to the needs of production management, which is used to identify the products produced in the same batch. The rules for numbering batch numbers vary from manufacturer to manufacturer. Generally speaking, this batch number contains the production date and production line number of the product, which is convenient for manufacturers to trace and manage the product quality.