| FEISI ELECTRONIC LIMITED | Private company limited by shares | Live |
| HK FEISI GROUP LIMITED | Private company limited by shares | Dissolved |
| FEISI GROUP ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| Feisi (Hong Kong) Management Limited | Private company limited by shares | Live |
| HONG KONG FEISI TRADE LIMITED | Private company limited by shares | Live |
| Hong Kong Feisi Trading Co., Limited | Private company limited by shares | Live |
| FEISI INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| TAIWAN FEISI BEIER (INT'L) BIOLOGICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KOREA FEISI BEI RU BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Feisi Trading Co., Limited | | Live |
| FEISI (HK) TRADING CO., LIMITED | Private company limited by shares | Live |
| HK FEISILI LIMITED | Private company limited by shares | Live |
| FEISITAI LIMITED | | Live |
| Feisite Technologies Limited | Private company limited by shares | Live |
| Feisite (Hong Kong) Trade Co., Limited | Private company limited by shares | Live |