| YITANG CO. LIMITED | Private company limited by shares | Live |
| YITANG TECH CO., LIMITED | Private company limited by shares | Live |
| LAN Yitang Trading Co., Limited | | Live |
| HK YiTang Culture Entertainment Limited | Private company limited by shares | Live |
| YITANG HEALTHCARE LIMITED | Private company limited by shares | Live |
| YiTang (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Hong Kong Simiao road Yitang Biotechnology Co., Limited | | Live |
| YITANG INDUSTRIES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| YITANG INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| Gu Yitang (Hong Kong) Pharmaceutical Technology Co., Limited | | Live |