Other methods:

The real production date is expressed by batch number, so be sure to pay attention to avoid counterfeiting. The reading method is as follows: the first letter represents the year, N represents 2005, O represents 2006, and P represents 2007; The second letter represents the month: J, F, M, A, Y, E, L, U, S, O, N, D-representing 1 ~ 65438+ February respectively; The two figures on the surface represent the figures of the date. For example, the batch number "NA07" indicates that the production date of the product is April 7, 2005.