
Here’s how to determine the production date of car glass: The label on the glass contains numbers with black dots, indicating the production year and month. The number represents the year, which can be determined based on the vehicle's manufacturing date. The black dots denote the month—dots before the number are subtracted from 7, while dots after the number are subtracted from 13 to calculate the month. Below is an introduction to car glass: In addition to indicating the car manufacturer, glass brand, and national certification codes, the car glass label also includes the production date. Car glass is an essential component of a vehicle's body accessories, primarily serving a protective function.


