Renqiu City is located in the central part of Hebei Province, in the Beijing-Tianjin-Hebei economic circle, and belongs to the economic open zone around Beijing, Tianjin and Bohai Sea. It is an open city determined by the State Council. Beijing 15 1 km to the north and Tianjin 135 km to the northeast. The city borders Wen 'an County and Dacheng County in Langfang City in the east, hejian city in the south, Gaoyang County in Baoding City in the west, Anxin County across Baiyangdian Lake in the northwest and Xiongxian County in the north. The total area of the city is 10 12 square kilometers, with a lateral distance of 42.5 kilometers from east to west and a longitudinal distance of 4 1 km from north to south. The total population is 8 1.9 million, including Renqiu 682,000 and Huabei Oilfield 1.37 million. It has jurisdiction over 3 sub-district offices, 9 towns, 6 townships, 1 provincial economic development zone and 4 13 administrative villages. Renqiu has a long history. According to historical records, in the second year of the Western Han Dynasty (AD 2), Ren Qiu, the commander of the sea patrol, built a city here to prevent Haikou, hence the name Ren Qiu. During the Tianbao period of the Northern Qi Dynasty (550-559 AD), the county was established, and it was abandoned twice from Sui Dynasty to the early Tang Dynasty. In the fifth year of Tang Wude (AD 622), Renqiu County was established for later generations. 1April 30, 945 Renqiu was liberated, 1958 Renqiu, Wen 'an and Dacheng merged, 196 1 year restored the original county system. 1on March 5, 986, the State Council approved the withdrawal of counties and the establishment of cities. At present, the built-up area is 4 1.4 square kilometers, the urban population is 343,000, and the urbanization rate is 54. 1%, ranking first among all counties and cities in the province. Renqiu has many historical sites. There are twelve bridges at the junction of Yan and Zhao during the Warring States Period, garrisoned fortresses of famous soldiers in the Northern Song Dynasty, garrisoned sites of famous soldiers in the Western Han Dynasty, places of interest such as Yanzhou, Aling, Wang Qiao and Gogo, musical platforms in the Ming Dynasty, palaces in Kangxi and Qianlong in the Qing Dynasty, and original Yangshao cultural sites and Longshan cultural sites excavated after the reform and opening up. Renqiu has outstanding people and profound cultural heritage. During the Spring and Autumn Period and the Warring States Period, Bian Que (Qin Yueren), a physician, Han Ying, a Confucian scholar in the Western Han Dynasty, Zhang Hekun, a general of Cao Wei in the Three Kingdoms Period, an admonisher in the Ming Dynasty, a calligrapher, poet and writer Bian Lianbao in the Qing Dynasty, an athlete in the Republic of China, a revolutionary poet Li Bo and a modern poet Yuan were all Renqiu people. Renqiu is also an old revolutionary base area, where there are witty and flexible anti-Japanese hero Yan Xiufeng (the prototype of Gazi in the movie Private Zhang Ga), the Yanling team that annihilated the Japanese invaders in the reeds, the guerrillas who fought bravely in tunnel warfare, and the heroic elegy of "Three Heroes of the Niu Family". Zhu De, Nie, Yang Chengwu and other revolutionaries of the older generation left footprints here. Renqiu is rich in natural resources. * * * 60,000 hectares of cultivated land. Mineral resources mainly include oil and natural gas. China Petroleum Huabei Oilfield Company, China Petroleum Huabei Petrochemical Company and China Petroleum Huabei Petroleum Administration Bureau are located in urban areas and are important petrochemical bases in China. 1985 proved oil reserves of 930 million tons, natural gas1600 million cubic meters. Since the development and construction of 1976 oilfield, the daily output of the highest single well has reached 5,400 tons, and the highest annual output has reached 1 7.33 million tons, which has made great contributions to the formation of the fourth growth peak of crude oil production in China and the annual output of1100 million tons. Geothermal is the dominant resource in Renqiu, mainly developing medium and low temperature geothermal, and the outlet temperature is 40℃ and 70℃ respectively. Renqiu Baiyangdian Scenic Area is famous at home and abroad. Known as the "West Lake in the North" and "Pearl of North China", Baiyangdian Lake is located at the northwest of the urban area 10 km, with a total area of 366.6 square kilometers (the water area under the jurisdiction of Renqiu is 64.8 square kilometers) and a storage capacity of 400 million cubic meters in normal years. It is the largest natural freshwater lake in North China. The lake is rich in aquatic resources, with 3/kloc-0 species of fish, rich in carp, crucian carp, eel, mandarin fish, freshwater shrimp, river crab, frog, snail, water chestnut, cockscomb, lotus root, reed and so on. Thousands of miles of levees by the lake, such as long queues and waves, are beautiful and natural. There is Mianzhou Temple outside the dike, which was once known as "the largest temple in the world" (Ming and Qing Dynasties). Historically, Baiyangdian was famous for its six famous scenic spots: Baiyang jathyapple, Zaolin Wandu, Chang Di Ada, He Shili Xiang, Shuiyue Peach Blossom and Jinsha Sunset. It is a national 5A-level scenic spot integrating sightseeing, folklore, fitness and scientific exploration. In 2008, Renqiu National Petroleum Mine Park started construction. After the completion of the project, it will become the only science museum in the world to show the geology and geomorphology of buried hills and the process of oil formation and exploitation, making Renqiu's tourist landscape more colorful.