| Company Name | Type | Status |
|---|---|---|
| SHIRAI ELECTRONICS INDUSTRIAL COMPANY (HK) LIMITED | Private company limited by shares | Dissolved |
| SHIRAI ELECTRONICS TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| SHIRAISHI CALCIUM (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SHIRAISHI INTERNATIONAL INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |