| YAHAM LED LIMITED | Private company limited by shares | Live |
| YAHAM GROUP (HK) LIMITED | Private company limited by shares | Live |
| Yaham Hong Kong Limited | Private company limited by shares | Live |
| YAHAM HONG KONG LIMITED | | Live |
| Hong Kong Yaham Optoelectronics Co., Limited | Private company limited by shares | Live |
| Yaham Lighting (HK) Co., Limited | Private company limited by shares | Live |
| YAHAM OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN YAHAM OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |