| Company Name | Type | Status |
|---|---|---|
| COMBUILT SECRETARIES LIMITED | Private company limited by shares | Dissolved |
| PM COMBUSTION LIMITED | Private company limited by shares | Live |
| CC COMBUSTION LIMITED | Private company limited by shares | Live |
| WUHAN BAIYANG INTERNAL COMBUSTION POWER SYSTEM ENGINEERING SHARES LIMITED | Private company limited by shares | Live |
| SPONTANEOUS COMBUSTION PRODUCTIONS LIMITED | Private company limited by shares | Live |
| TRUETHERM COMBUSTION LIMITED | Private company limited by shares | Live |