| HK MITSUDA PETRIFICATION BIOLOGY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG HENGJUN INTERNATIONAL PETRIFICATION LIMITED | Private company limited by shares | Live |
| CHINA JIHONG PETRIFICATION LIMITED | Private company limited by shares | Live |
| KUNLUN PETRIFICATION (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| USA MEIFU PETRIFICATION INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| CHINA PETRIFICATION PETROLEUM GROUP LIMITED | Private company limited by shares | Live |
| CHINA PETRIFICATION GREAT WALL LUBE LIMITED | Private company limited by shares | Live |
| PETRIFICATION GREAT WALL GROUP LUBE LIMITED | Private company limited by shares | Dissolved |
| CHINA PETRIFICATION GREAT WALL PETROCHEMICAL LIMITED | Private company limited by shares | Live |