Zhong Zheng Wang·2026-02-28 03:12Group 1 - Multiple listed companies disclosed information regarding violations of information disclosure regulations on February 27, highlighting the regulatory authorities' determination to combat such violations and maintain market order [1] - Haitai Development (600082) received a notice of investigation from the CSRC due to suspected violations of information disclosure regulations, leading to a formal investigation [1] - Dahua Intelligent (002512) and related responsible persons received a preliminary administrative penalty notice from the Fujian Securities Regulatory Bureau for failing to disclose significant contracts and their performance, with a proposed fine of 6 million yuan [1] - *ST Haijin (600753) also received a preliminary administrative penalty notice for failing to disclose related party transactions and significant omissions in annual reports, with a proposed fine of 5 million yuan [1] Group 2 - The Liaoning Securities Regulatory Bureau issued an administrative penalty decision against Zhou Maofei, the chairman of Wentou Holdings (600715), for failing to timely disclose potential large compensation liabilities related to a project development agreement [2] - Wentou Holdings was involved in a project with the Nanjing government, where a performance guarantee of 79.6532 million yuan was forfeited due to non-compliance with project development timelines [2] - The penalty for Zhou Maofei includes a warning and a fine of 400,000 yuan [2]