1, date marking method: some brands have both the production date and the best drinking date, for example, the original box of old street bagged white coffee, the old street bagged Hong Kong version and the old street bagged horse version only indicate the best drinking date. If only one date is marked on the package, it means the best drinking period.
2. Reading method of production date or shelf life: Looking back at the production date or shelf life in Xinma area, for example, 2 10820 12 means 2012 August 2 1. If it is exported to China or packed in China, the date will be marked from left to right according to the custom of China people, such as 20 12.08.26438+0.