| Company Name | Type | Status |
|---|---|---|
| T.O. WONG AND COMPANY (SHANGHAI) LIMITED | Private company limited by shares | Dissolved |
| T.O. WONG AND COMPANY (IMPORT) LIMITED | Private company limited by shares | Dissolved |
| T.O. WONG AND COMPANY (EXPORT) LIMITED | Private company limited by shares | Dissolved |
| T.O. WONG AND COMPANY (PHARMACEUTICAL AND INDUSTRIAL CHEMICALS) LIMITED | Private company limited by shares | Dissolved |