Shanghai Lingyun Industries Development (凌云B股) has released a notice of abnormal stock trading. After the company's self-inspection and written inquiries to major shareholders and actual controllers, as of the disclosure date of the notice, it has been confirmed that there is no significant information that should have been disclosed but was not, except for previously disclosed matters. Currently, there have been no major changes in the company's internal and external operating environment, and there are no significant matters that should have been disclosed but were not.