| LANGLANG LIMITED | Private company limited by shares | Dissolved |
| HK LANGLANG CHEMICAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Langlang Electronic Limited | Private company limited by shares | Live |
| HK LANGLANG (INTERNATIONAL) EDUCATION GROUP HOLDING LIMITED | Private company limited by shares | Live |
| LANGLANG (HONG KONG) INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| LANGLANG INTERNATIONAL MEDICAL COSMETOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK LANGLANG LIGHTS INT'L LIMITED | Private company limited by shares | Live |
| LANGLANG MEDIA HOLDINGS Co., LIMITED | Private company limited by shares | Dissolved |
| LANGLANG TRADING LIMITED | Private company limited by shares | Live |