| Company Name | Type | Status |
|---|---|---|
| KOUWA (HONG KONG) LIMITED | Private company limited by shares | Live |
| KOUWA OPTICAL COMPANY LIMITED | Private company limited by shares | Live |
| Kouwa Tsusyou Trading Limited | Private company limited by shares | Live |
| KOUWANGFEI HOLDING CO., LIMITED | Live | |
| KOUWAY INDUSTRIAL SHARES CO., LIMITED | Private company limited by shares | Live |