Yinuosi: The holding subsidiary Shenzhen Yinuosi will undergo business adjustment.

Yinuosi Announcement: In order to further optimize capacity allocation, reduce management costs, improve management efficiency and control capabilities, the holding subsidiary Shenzhen Yinuosi Biomedical Safety Evaluation Research Institute Co., Ltd. will adjust its business. It will no longer take on new business except for existing business. Shenzhen Yinuosi was established in November 2021 with a registered capital of 20 million yuan. As of 2024, the total assets were 115 million yuan, net assets were -64.8761 million yuan, operating income was 65.7117 million yuan, and net profit was -21.5035 million yuan. As of March 31, 2025, total assets were 105 million yuan, net assets were -71.6134 million yuan, operating income was 14.9232 million yuan, and net profit was -6.7373 million yuan.