As
of the date of this report, the details of the Company’s principal subsidiaries are as follows:
| Entity | | Date of
incorporation/
acquisition | | Place of
incorporation | | Percentage of
direct or indirect
ownership by the
Company | | Principal activities | | Subsidiaries: | | | | | | | | | | VVAX Skyline Holdings Limited (“VVAX Skyline”) | | April 3, 2023 | | British Virgin
Islands | | 100% owned by the Company | | Investment holding | | Windsor Holdings Co., Ltd. (“Windsor Holdings”) | | May 30, 2023 | | British Virgin
Islands | | 100% owned by VVAX Skyline | | Investment holding | | Peg Biotechnology (HK) Holding Limited (“Peg Biotechnology”) | | April 18, 2023 | | Hong Kong | | 100% owned by VVAX Skyline | | Investment holding | | Hainan Senhan Biotechnology Co., Ltd. (“Hainan Senhan”) | | May 22, 2023 | | PRC | | 100% owned by Peg Biotechnology | | Investment holding | | Jilin Zhengye Biological Products Co., Ltd. (“Jilin Zhengye”) | | May 18, 2004 | | PRC | | 58.689% owned by Hainan Senhan and 25.1524% owned by Windsor Holdings | | Research, development, manufacture and sales of veterinary vaccines | | Beijing Zhongnong Zhengye Biotechnology Co., Ltd. (“Beijing Zhengye”) | | April 16, 2025 | | PRC | | 51.00% owned by Jilin Zhengye | | Sales of veterinary vaccines |
|