| 1981 LIMITED | Private company limited by shares | Dissolved |
| 1981 LIMITED | Private company limited by shares | Live |
| YUE SEN COMPANY LIMITED | Private company limited by shares | Live |
| SIR HK Limited | Private company limited by shares | Live |
| MCS LIMITED | Private company limited by shares | Live |
| 乘帆國際(香港)科技股份集團有限公司 | Private company limited by shares | Live |
| KIN WON LIMITED | Private company limited by shares | Dissolved |
| ZX TEK LIMITED | Private company limited by shares | Live |
| RAF II HK LIMITED | Private company limited by shares | Live |
| JK 328 Limited | Private company limited by shares | Live |
| ACE IT ALL LIMITED | Private company limited by shares | Dissolved |
| Company Registration Number 1981862 Limited | Private company limited by shares | Live |
| HAI KUO SHIPPING 1981B LIMITED | Private company limited by shares | Live |