| YINYAN ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| YinYang Culture Communication Company Limited | Private company limited by shares | Live |
| YINYANG INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Yinyang Fashions Limited | Private company limited by shares | Dissolved |
| Hong Kong Yinyang International Trade Limited | | Live |
| Yin-Yang Chinese Medical Centre Limited | Private company limited by shares | Live |
| YINYANG ASIA PACIFIC LIMITED | | Live |
| YINYANG SOURCING HK CO., LIMITED | Private company limited by shares | Live |
| Yin-Yang Tech Limited | Private company limited by shares | Live |
| YINYANG TECHNOLOGY INVESTMENT COMPANY LIMITED | | Live |