(hereinafter referred to as the Company) is the predecessor of China Petroleum & Chemical Corporation, which was established in July 1983.In July 1998, in accordance with the deployment of the Party Central Committee on the implementation of the strategic restructuring of the petroleum and petrochemical industry, China Petroleum & Chemical Corporation was restructured and established on the basis of China Petroleum & Chemical Corporation, and in August 2018, after the restructuring of the company system, it was transformed into China Petroleum & Chemical Corporation Ltd. The company is a mega petroleum and petrochemical enterprise group with a registered capital of RMB 326.5 billion, the chairman of the board of directors is the legal representative, and the headquarters is located in Beijing. The Company exercises the rights of contributors, such as asset benefit, major decision-making and selection of managers, in respect of the relevant state-owned assets of its wholly-owned enterprises, holding enterprises and shareholding enterprises, operates, manages and supervises the state-owned assets in accordance with the law and bears the responsibility for preserving and increasing the value of the assets accordingly.

(hereinafter referred to as the Company) is the predecessor of China Petroleum & Chemical Corporation, which was established in July 1983.In July 1998, in accordance with the deployment of the Party Central Committee on the implementation of the strategic restructuring of the petroleum and petrochemical industry, China Petroleum & Chemical Corporation was restructured and established on the basis of China Petroleum & Chemical Corporation, and in August 2018, after the restructuring of the company system, it was transformed into China Petroleum & Chemical Corporation Ltd. The company is a mega petroleum and petrochemical enterprise group with a registered capital of RMB 326.5 billion, the chairman of the board of directors is the legal representative, and the headquarters is located in Beijing. The Company exercises the rights of contributors, such as asset benefit, major decision-making and selection of managers, in respect of the relevant state-owned assets of its wholly-owned enterprises, holding enterprises and shareholding enterprises, operates, manages and supervises the state-owned assets in accordance with the law and bears the responsibility for preserving and increasing the value of the assets accordingly.

North China Petroleum Bureau Co., Ltd. and North China Oil and Gas Branch is a professional team of oil and gas exploration and development with a glorious history of 60 years, covering 22 provinces (municipalities and autonomous regions) in China, and playing a strategic leading role and making important contributions to the discovery and construction of oil and gas fields such as Daqing, Shengli, Central China Plains and Jianghan, etc. After merging into SINOPEC in 2000, it has successfully developed Da Niu Di gas field, the first large-scale gas field constructed by SINOPEC itself, and become the main gas source of SINOPEC in North China. After merging into SINOPEC in 2000, SINOPEC successfully developed the Da Niu Di gas field, the first large gas field built by the Group, which became the main source of gas for SINOPEC in the North China region, and effectively supported the economic construction and regional development of the provinces and regions along the Yellow River Basin, and realised a successful transition from a traditional geological exploration unit to an oil and gas field enterprise. "At the end of 2012, after professional restructuring, the company realised the operation of oil bureau, oil company and engineering section in three parts, and changed its name to North China Petroleum Bureau Co.