Glass labels are generally composed of numbers, numbers and English letters, and are printed in the lower left corner of the glass. Including automobile brand, glass brand, certification mark, glass type, production date and other information.
Date expression:
The first line of numbers+dots, the second line of big dots+dots; Date reading method: the number represents the year of glass production, and the dot in the first line represents the month of the year, with a minimum of 1 point and a maximum of 12 point. The second line represents the number of days corresponding to the month, with a large dot representing 10 day and a small dot representing 1 day.