On 27 October 2022, the board of directors of Sinopec Oilfield Service Corporation resolved to appoint Mr. Du Kun (Mr. Du) as the deputy general manager of the company for a term commencing from 27 October 2022 to the date when the term of the tenth session of the Board expires (estimated in February 2024). The biographical details of Mr. Du are as follows: Mr. Du Kun, aged 44, is a senior engineer with a master degree. In November 2015, he was appointed as the manager of management department in Yan'an Project of Sinopec Shengli Oil Engineering Company Limited.

In August 2017, he served as the manager of management department in Fuling Project of Sinopec Shengli Oil Engineering Company Limited (as deputy mid-level position). In July 2018, he served as the manager and Deputy Secretary of the Communist Party Committee of Southwest branch and manager of management department in Fuling Project of Sinopec Shengli Oil Engineering Company Limited. In December 2020, he served as the deputy general manager of Sinopec Shengli Oil Engineering Company Limited.