Chengdu City, Sichuan Province.

Chengdu, referred to as "Rong", also known as Rongcheng and Jincheng, is a prefecture-level city under the jurisdiction of Sichuan Province, a provincial capital, a sub-provincial city, a megacity, a national central city, and the world's gourmet capital.

Chengdu has been known as the "Land of Abundance" since ancient times. It is one of the first batch of national historical and cultural cities, the birthplace of ancient Shu civilization, and the best tourist city in China. The Jinsha ruins within the territory have a history of 3,000 years. King Tai of Zhou Dynasty named it Chengdu because "it takes one year to form a gathering, two years to form a town, and three years to form a capital"; the Shu Han, Cheng Han, Former Shu, and Later Shu regimes successively established their capitals here; It has also been the seat of state, county and county in various dynasties.

The Han Dynasty was one of the five largest cities in the country; the Tang Dynasty was one of the most developed industrial and commercial cities in China, known as "Yang Yi Yi Er" in history; the Northern Song Dynasty gave birth to the world's first paper currency, Jiaozi.

Nomenclature rules for license plate numbers

1. The first character in the license plate is a Chinese character: representing the provincial administrative region where the vehicle’s registered residence is located, which is the abbreviation of each (province, municipality, autonomous region). For example: Beijing is Beijing, Shanghai is Shanghai, Hunan is Hunan, Chongqing is Chongqing, Shandong is Shandong, Jiangxi is Ganxi, and Fujian is Fujian.

2. The second digit of the license plate is an English letter: it represents the prefecture-level administrative region where the vehicle's registered residence is located, which is the letter code of each (prefecture-level city, region, autonomous prefecture, league). According to the provincial vehicle management authority The status of administrative regions at various levels is divided and ranked. The letter "A" is the code of the provincial capital, capital or central city directly under the central government, and the subsequent letters are ranked in no particular order. In addition, when arranging the English alphabetical codes of prefecture-level administrative regions, skip I and O. O is often used as a police car or agency unit.

3. There are three encoding rules for license plate serial numbers, namely: Arabic numerals are used for each digit of the serial number; English letters can be used alone for each digit of the serial number, and O and I cannot be used among the 26 English letters. ; Two English letters are allowed in the serial number, and O and I cannot be used among the 26 English letters.