Qinhuangdao, referred to as Qin for short, is also known as a port city, a prefecture-level city in Hebei Province, a world-class automobile hub manufacturing base, the largest aluminum product production and processing base in China, the largest grain and oil processing base in the north, the first batch of coastal open cities in China, a coastal city in China and an important foreign trade port in Northeast Asia. Located in the center of Bohai Economic Circle, it is the junction of Northeast China and North China. Qinhuangdao Port is the largest energy export port in the world and is known as the "barometer" of the national economy.

Dingzhou City is the central city in the central part of Hebei Province, which is directly under the jurisdiction of Hebei Province and has two levels of social and economic management authority. Dingzhou is the ancient capital of Zhongshan with a history of more than 2,600 years. It is the main birthplace of Zhongshan culture, one of the three major historical cultures. Dingzhou is located between north latitude114 48 ˊ-1515 ˊ, north latitude 38 14 ˊ-38 40 ˊ, at the eastern foot of Taihang Mountain and in the west of North China Plain. 20 13 Dingzhou has a total area of 1275 square kilometers, and it governs 4 streets, 14 towns and 7 townships. 20 15 Total population at the end of the year1244,000 people.