| Bang Stong Holding Limited | Private company limited by shares | Live |
| STONG ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| STONG ENVIRONMENTAL PROTECTION GROUP LIMITED | Private company limited by shares | Live |
| GOLDEN STONG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KEN STONG (HK) TRADING CO., LIMITED | Private company limited by shares | Live |
| HK STONG INDUSTRIAL LIMITED | Private company limited by shares | Live |
| STONG International CO., LIMITED | | Live |
| Stong Fortune International Holding Co., Limited | Private company limited by shares | Live |
| STONG INVESTMENT LIMITED | Private company limited by shares | Live |
| STONG MIND LIMITED | Private company limited by shares | Live |
| STONG TRADE LIMITED | Private company limited by shares | Live |
| Stongda Limited | | Live |
| HK S-TONGXIMENG ELECTRIC GROUP LIMITED | Private company limited by shares | Live |