002598，被证监会立案！

Group 1 - The core point of the news is that Shandong Zhanggu (002598.SZ) has received a notice from the China Securities Regulatory Commission (CSRC) regarding an investigation into alleged violations of financial information disclosure in periodic reports [2] - The company will actively cooperate with the CSRC's investigation, and its production and operational activities are currently normal and orderly, indicating that the investigation will not have a significant impact on its operations and management [2] Group 2 - The company's net profit has declined for two consecutive years, and its performance continues to be under pressure [6] - In the first three quarters of 2025, Shandong Zhanggu achieved operating revenue of 1.459 billion yuan, a year-on-year decrease of 3.94%; the net profit attributable to shareholders was 61.96 million yuan, a significant decline of 39.12% year-on-year; and the net profit after deducting non-recurring items was 54.72 million yuan, down 41.01% year-on-year [6] - The company's gross profit margin for the first three quarters was 27.01%, a decrease of 4.08 percentage points year-on-year; the net profit margin was 4.54%, down 2.55 percentage points year-on-year [6] - As of December 31, the company's stock closed at 10.69 yuan, down 0.56% on that day [6]