Blue Stone Heavy Industries: The company and its controlling shareholder are suspected of illegal and irregular information disclosure, and have been investigated by the Securities Regulatory Commission.

Lanshi's announcement, the company and its controlling shareholder, Lanzhou Lanshi Group Co., Ltd., have recently received "Notice of Filing" issued by the China Securities Regulatory Commission. Due to the suspicion of illegal disclosure of information by the company and its controlling shareholder Lanshi Group, in accordance with the "Securities Law of the People's Republic of China" and the "Administrative Penalty Law of the People's Republic of China" and other laws and regulations, the China Securities Regulatory Commission decided to open a case against the company and Lanshi Group on April 9, 2026.