Where is the license plate with 'Chuan S' from?

[RiverDella]

Chuan S is the license plate for Dazhou, Sichuan. Here is some related information about license plates: 1. License plates, commonly known as vehicle plates, refer to the number plates attached to the front and rear of a vehicle. They are typically made of aluminum, tinplate, plastic, or paper, and display the vehicle's registration number, registration region, and other relevant information. 2. License plates serve as a numbering and information registration system for vehicles. Their main purpose is to identify the region to which the vehicle belongs and to allow tracking of the vehicle's owner and registration details based on the plate number. 3. Small vehicle license plates: blue background with white characters and white borders. These are used for medium-sized and smaller passenger vehicles, cargo vehicles, and specialized operation vehicles.