| Surlink Chip Technology Co., Limited | Private company limited by shares | Live |
| HK Surlink Tech Electronics Limited | Private company limited by shares | Dissolved |
| SURLINK GROUP CO., LIMITED | Private company limited by shares | Live |
| SURLINK INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| SURLINK INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SUR-LINK TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Live |
| SUR-LINK TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Live |
| ZHEJIANG SUR-LINK TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |