Dacheng County is located in the Beijing-Tianjin Corridor, 70km away from Tianjin and 0/60 km away from Beijing. It is "Sanyan" county in Hebei Province and an open county approved by the State Council. Big cities and counties have a long history. County name of the Western Han Dynasty, formerly known as Pingshu, changed to Dacheng in the Five Dynasties. Jurisdiction over 10 townships and 394 administrative villages, with a total area of 904 square kilometers and a population of 430,000.

Dacheng County is rich in natural resources, with an area of 820,000 mu of cultivated land, which is rich in wheat, corn, beans and other food crops. The cash crops are mainly cotton, peanuts, sesame and sunflower, and there are many varieties of dried and fresh fruits, especially Tianjin Yali and Jinsixiaozao. Coal, coalbed methane and other resources are very rich. It is preliminarily proved that China's coal resources reach 1040 square kilometers, with a reserve of more than 20 billion tons. These resources need to be developed and utilized.

Relying on the geographical advantages adjacent to Beijing and Tianjin, Dacheng County consciously accepts the radiation from big cities such as Beijing and Tianjin, introduces foreign products from the inside, and strives to build its own characteristic industries. At present, an industrial system with motorcycle parts, thermal insulation building materials, food, chemical industry, metal smelting and construction as pillar industries has been formed, and all industries have considerable scale. Especially, as the motorcycle parts industry in Lixian County, it has become the largest professional market for motorcycle parts production and sales in China centered on Dongfu, and was named as "Hebei Motorcycle Parts Private Science and Technology Industrial Park" by the People's Government of Hebei Province. Thermal insulation building materials industry has become the largest production base of thermal insulation building materials in China with its integration of raw material supply, product sales and technical exchange. The individual and private economy in Dacheng County is very developed, with enterprises 183 14 and 74,492 employees. In 2000, the operating income was 5.53 billion yuan, and in the same year, it was named as an "advanced county for the development of individual and private economy" by the people's government of Hebei Province.

The investment environment in big cities and counties is good, the infrastructure construction is becoming more and more perfect, the function of urban carrier is constantly enhanced, and the transportation is very convenient. It is 8km away from beijing-shanghai railway and Beijing-Fuzhou Expressway, and 5km away from Beijing-Kowloon Railway/KLOC-0. The communication industry is developed, and the installed capacity of program-controlled telephones in the county has reached 58,000, which can be directly dialed with domestic and other parts of the world. Urban water supply and power supply guarantee is strong. The level of city appearance and environmental sanitation has been continuously improved, and it has been rated as a "civilized and hygienic county town" by the people's government of Hebei Province for three consecutive years. With preferential policies and high-quality services, Dacheng County has formulated the Interim Provisions on Speeding Up Opening and Introducing and the Ideas for the Extraordinary Development of County Economy, offering all kinds of preferential treatment to domestic and foreign guests who come to Dacheng for investment, development and construction, and providing all-round services.

Since the reform and opening up, the export-oriented economy in big cities and counties has developed rapidly. There are 46 foreign exchange earning enterprises and 5 foreign-funded enterprises/kloc-0. The main export commodities are clothing, leather goods, cutting grinding wheels, crucibles, carpets, embroidery, tableware, reactive dyes, high-carbon graphite, biscuits and red beans. , selling well in more than 40 countries and regions such as Europe, America, Japan, Southeast Asia, Hong Kong, Macao and Taiwan. Generous and simple people in big cities warmly welcome friends at home and abroad.