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| SAI MIN LIMITED | Private company limited by shares | Live |
| S2M LIMITED | Private company limited by shares | Live |
| NTH LIMITED | Private company limited by shares | Dissolved |
| GMZ One Limited | Private company limited by shares | Dissolved |
| GMZ Two Limited | Private company limited by shares | Dissolved |
| GML COMPANY LIMITED | Private company limited by shares | Live |
| 榮興國際貿易有限公司 | Private company limited by shares | Dissolved |
| 中國車輛控股有限公司 | Private company limited by shares | Live |
| MAE LIMITED | Private company limited by shares | Live |
| HD TOP LIMITED | Private company limited by shares | Live |
| PO SIN HOP KEE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SZ LIMITED | Private company limited by shares | Dissolved |
| 德旺實業投資(香港)有限公司 | Private company limited by shares | Dissolved |
| 台山陳鳳台紀念館有限公司 | Company limited by guarantee | Dissolved |
| 中科光電控股有限公司 | Private company limited by shares | Live |
| ZH COMPANY LIMITED | Private company limited by shares | Live |