What are the markings on car glass?

[MayaAnn]

There are many markings on car glass, including the car brand, glass brand, production date, and various certifications. The most prominent marking on the glass is the 3C mark. If this mark is present, it indicates that the glass has passed 3C certification. Additionally, there is usually an E4 mark, which represents the European Union certification. The glass may also have a DOT mark, which is the American certification. Here is some related information: Benefits of understanding glass markings: Understanding car glass markings can be very helpful when purchasing a car. For example, the production date of the glass: under normal circumstances, the production dates of all the glass on a car should be consistent. If the production date of any piece of glass differs from the others, it suggests that the glass has been replaced, indicating a possible accident. Production date of the glass: The number represents the year; dots represent the month. Dots before the number indicate that the glass was produced in the first half of the year, while dots after the number indicate production in the second half of the year. The number of dots represents the number of months backward or forward.