| WANS GLASSWORKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| GLASSY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| LCH Glastec Co., Limited | | Live |
| RUITONG GLASTEC INDUSTRIAL LIMITED | Private company limited by shares | Live |
| GlasTech Limited | Private company limited by shares | Dissolved |
| TRUPEDO GLASTIC LIMITED | Private company limited by shares | Live |
| GLASTONBURY LIMITED | Private company limited by shares | Dissolved |
| GLASTONDALE LIMITED | Private company limited by shares | Dissolved |
| Glaswall (HK) Investments Limited | Private company limited by shares | Live |