| Bitu Industrial Limited | Private company limited by shares | Live |
| Bituex Limited | Private company limited by shares | Live |
| Bituleon Engineering Services Limited | Private company limited by shares | Live |
| Asphalt and Bitumen Laboratory Limited | Private company limited by shares | Live |
| CLBGI BITUMEN HONG KONG LIMITED | Private company limited by shares | Live |
| BITUMEN INTERNATIONAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| CN BITUMEN PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| SHELL BITUMEN (FOSHAN) HOLDING LIMITED | Private company limited by shares | Dissolved |
| SHELL BITUMEN (LUZHOU) HOLDING LIMITED | Private company limited by shares | Dissolved |
| SHELL BITUMEN (XI'AN) HOLDING LIMITED | Private company limited by shares | Dissolved |
| HK BITUN BUSINESS CO., LIMITED | Private company limited by shares | Live |
| BitUnlimited Limited | Private company limited by shares | Live |
| WENZHOU BITUO ELECTRIC CO., LIMITED | | Live |
| HUAXIN BITUO CO., LIMITED | Private company limited by shares | Live |
| BITUO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BITUO TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BITUO CO., LIMITED | | Live |
| HONGKONG BITUO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BITUO INT'L LIMITED | Private company limited by shares | Live |
| BITUO TRADE LIMITED | Private company limited by shares | Live |
| Bituobi Technology Co., Limited | Private company limited by shares | Live |
| BituTrade Hong Kong Limited | Private company limited by shares | Live |