代行半年后，28年“老将”周钟山正式就任长城证券总裁

Group 1 - The core point of the news is the significant personnel changes at Changcheng Securities, including the appointment of Zhou Zhongshan as the new president and financial officer, and the appointment of Ruan Huixian as the new board secretary [2][6][7] Group 2 - Zhou Zhongshan has been with Changcheng Securities since February 1998, accumulating 28 years of experience within the company, having held various positions including general manager of the Nanchang branch and vice president [6] - Zhou's promotion to president follows the resignation of the former president Li Xiang, who left for personal reasons, and Zhou has been acting in this capacity for six months [6] - Ruan Huixian joined Changcheng Securities in July 2003 and has held multiple roles in the finance department, now serving as the board secretary and financial director [7] Group 3 - Changcheng Securities reported a significant revenue increase in the first three quarters of 2025, achieving total operating revenue of 4.121 billion yuan, a year-on-year growth of 44.61%, and a net profit attributable to shareholders of 1.931 billion yuan, up 75.83% [7][8]