| Company Name | Type | Status |
|---|---|---|
| WEILAN LIMITED | Private company limited by shares | Live |
| GERMANY WEILAN GROUP LIMITED | Private company limited by shares | Live |
| VIET NAM WEILAN OPTICAL COMPANY LIMITED | Live | |
| WEILAN RESOURCES LIMITED | Private company limited by shares | Live |
| WEILAN TRADE LIMITED | Live | |
| FRANCE WEILANGNIKA (HONG KONG) INT'L LIMITED | Private company limited by shares | Dissolved |
| WEILANGSI CHEMICAL ENGINEERING (HK) LIMITED | Private company limited by shares | Live |