What do the three dots behind the car glass 8 mean?

1. Identification of certification marks: Safety glass for automobiles is a national compulsory certification product, also known as "Fiona Fang mark", which is the most common and important mark on automobile glass. There are also foreign certification marks, such as the "DOT" mark in the United States and the "E" mark in ECE in Europe, indicating that the products have passed the certification permission of these foreign certification bodies and can be exported abroad.

2. Know the number and check the date. On automobile glass, the last string of symbols and numbers corresponds to the year of glass production. The number symbol in the last line is "... 8", and 8 represents the year, that is, 2008. If the black dot is before "8", it means production in the first half of the year, and the calculation formula is "7- black dot", so "... 8" should be 7- 1=6, so this glass should be produced in June 2008; If the black dot is after "8", it means production in the second half of the year, and the calculation formula is "13- black dot". If "8" means 13-2= 1 1 producing automobile glass, that is,1/kloc. 3. Determine the factory date of the vehicle. The vehicle identification number (VIN) can be found under the front windshield or on the left side of the instrument panel. Although there is a vehicle identification number of 17, the most important thing is to know the number 10(W- 1998, X- 1999, Y-2000,1-200/kloc) representing the date of production of the whole vehicle. ).

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