|Beijing | |- |Fujian | |- |Gansu | |- |Guangdong | |- |Guangxi | |- |Guizhou | |- |Hainan | |- |Hebei | |- |Heilongjiang | |- |Henan | |- |Hubei | |- |Hunan | |- |Inner Mongolia | |- |Jiangsu | |- |Jiangxi | |- |Jilin | |- |Liaoning | |- |Ningxia | |- |Qinghai | |- |Shaanxi | |- |Shandong | |- |Shanghai | |- |Shanxi | |- |Sichuan | |- |Tianjin | |- |Tibet | |- |Xinjiang | |- |Yunnan | |- |Zhejiang | |} Note: Chongqing was separated from Sichuan as a directly-administered city in 1997, and the 1986-series standard was abolished in 1997 as well, therefore Public security vehicles in Chongqing bear the Sichuan code of GA51, instead of the later-introduced GA50. 1986-series plates are allowed to have the first number in the serial replaced by a letter with a special meaning, such as T for "taxi", Z for (zìbèichē, "self-reserved vehicle"), G for (gètǐhù, "entrepreneur"). Current Series types Common types The current plates are of GA36-2014 standard, a further update of the original GA36-1992, made from GB/T 3880.1 and GB/T 3880.2-compliant aluminum material with a thickness of no less than 1.2mm (for rear plates for large vehicles and trailers) or 1.0mm (for any other non-temporary plates), or 200-220g dedicated watermarked paper with plastic sealing for automobiles and motorcycles entering the border on a temporary basis, or 125g white paper-card for temporary license plates. The plates accommodate a one-character provincial abbreviation, a letter of the Pinyin alphabet, and five numbers or letters of the alphabet (Ex. ; ; ; ; ). Previously, all licence plates had used the five-number designation. As the number of motor vehicles grew, however, the number had to exceed what was the maximum previously allowable—90,000 or 100,000 vehicles. Therefore, there had become a need to insert Latin letters into the license plate to increase the number of possible combinations (for the full list of alphanumeric sequences permitted see below). This was first done in the bigger cities with only one prefix. Nanjing, for example, began the change with only the first number, which increased the number of possible combinations to 340,000 (with the exceptions of O & I, which cannot be printed without confusion with the numbers 0 & 1). Further changes allowed the first two places, or the second place alone on the plate to be letters, allowing 792,000 more