The abbreviation for date of production is DP, and the abbreviation for batch number is BP.
The date of production refers to the date and time when the goods have completed all the processes on the production line, have been inspected and packaged into finished products that can be sold on the market. In English, it is: Date of production
Nowadays, most of the enterprises are gradually unifying the production date and production batch number of their products. In addition, the current mandatory national standard GB 7718-2004 "General Principles for the Labeling of Prepackaged Foods" gives a clear definition of the production date (manufacturing date): "The date on which a food product becomes a final product."
The production batch number is the production number of each batch of product. In English, it is: Batch production
Article 76 of the Good Manufacturing Practice (GMP) promulgated by the Ministry of Health in 1992 defines the meaning of the term "batch number": a group of numbers or letters and numbers used to identify a "batch". Numbers or letters and numbers. It can be used to trace and review the production history of the batch of drugs. This can be considered as a statutory interpretation of the definition of batch number.
Extended information:
The role of the production batch number:
In order to trace the responsibility of the batch of products, to avoid confusion, so each batch of products have a corresponding batch number. It is used to identify the "batch" of a set of numbers or letters and numbers.
Generally by the production time of the year, month and day of each two-digit composition, but there are exceptions. The expiration date is calculated from the date of production (based on the production lot number), so according to the batch number you can know whether to buy the product within the validity period.
Baidu Encyclopedia - Production Date
Baidu Encyclopedia - Production Batch Number