1, Puyang: a prefecture-level city in Henan Province, located in the northeast of Henan Province, in the plain area of the lower Yellow River, bordering Handan City in Hebei Province in the north, Tai 'an City, Jining City, Liaocheng City and Heze City in Shandong Province in the east, tangyin county City and hua county City in Anyang City in the west, and Changyuan County in Xinxiang City in the southwest. Hepu Expressway connects Hebi and Puyang closely. Puyang is the location of Zhongyuan Oilfield, which is rich in oil, natural gas, salt, coal and other resources. It is an important national petrochemical base, petroleum machinery and equipment manufacturing base and an important national commodity grain production base.

2. Puyang Oilfield: Zhongyuan Oilfield, the second largest oil and gas field under China Petrochemical Group, is headquartered in Puyang City, Henan Province, and its main exploration and development areas include Dongpu Depression, Puguang Gas Field and Inner Mongolia Exploration Area. Zhongyuan Oilfield was discovered in 1975. After more than 30 years of development and construction, it has developed into a state-owned super-large enterprise with comprehensive advantages of oil and gas exploration and development, engineering and technical services, oil and gas chemical industry, and has become an important oil and gas production base in eastern China. In 20 1 1 year, the annual oil and gas equivalent of Zhongyuan Oilfield broke through100000 tons for the first time and entered China.