中国化学这家公司重要人事调整

Group 1 - Major personnel changes have occurred at China Tianchen Engineering Co., Ltd. (China Tianchen) as announced by the China Chemical Corporation [3] - Guo Guihe has been appointed as the new Party Secretary and Chairman of China Tianchen, returning to the company after holding various leadership roles [3] - The leadership transition aims to enhance the company's contributions towards the goal of "rebuilding a higher quality China Chemical in five years" [3] Group 2 - Guo Guihe, born in June 1971, has a background as a senior engineer and has held multiple positions within China Tianchen and other related companies [3] - A training camp graduation ceremony for new employees was held on July 28, where Guo Guihe delivered a speech [3]