Nanyang Oilfield belongs to Guanzhuang Town, Wancheng District. Exploration in Henan Oilfield began in 1970, and industrial oil and gas flow was discovered in Dongliwan structure of Nanyang sag in Nanyang basin in August of 197 1. Nanyang Petroleum Exploration Headquarters was formally established in May, 1972, and later renamed Henan Petroleum Exploration Bureau. 1998 when the two major petroleum and petrochemical companies were reorganized, they were placed under China Petrochemical Group Company. After the restructuring in June 5438 +2000 10, Henan Oilfield Company and China Petrochemical Co., Ltd. were successfully listed in new york, London, Hongkong and Shanghai.

Nanyang has a long and glorious history, and generations of talents come forth in large numbers, shining on future generations. The four saints of Nanyang-Shang Saint Fan Li, Medical Saint Zhang Zhongjing, Zhang Heng, Ke and Zhuge Liang-are all world-famous.