What is the initial letter of the license plate number of Botou City, Cangzhou City, Hebei Province?

Botou City, Cangzhou City, Hebei Province, has a license plate number of Ji J and an administrative level of county-level city, with a population of about 494,700, a population density of 492 people/km, an area of about 1006 square kilometers and a postal code of 6 1000.

Introduction: Botou City is located in the southeast of Hebei Province, bordering Beijing and Tianjin in the north and Bohai Sea in the east, 250km away from Beijing, 80km away from tanggu port/kloc-0 and 80km away from Huanghua Port. Beijing-shanghai railway, 104, 106 national highway and Beijing-Shanghai expressway run through the whole territory. Renqiu has many historical sites. There are twelve bridges at the junction of Yan and Zhao in the Warring States Period, garrisons of famous soldiers in the Northern Song Dynasty, garrisons of famous ancient cities in history, such as Aling, Wangwang and Gaoguo, Lejiatai in the Ming Dynasty, Kangxi and Qianlong palaces in the Qing Dynasty, and the former Yangshao cultural sites and Longshan cultural sites excavated after the reform and opening up.