| NO | Items | Index |
| 1 | particle size | 30-60mm 50-80mm |
| 2 | The lower rate of lump coal | <18% |
| 3 | refuse content | <2.0% |
| 4 | Ash content(dry basis) | <18 |
| 5 | total sulphur content(dry basis) | <2.0% |
| 6 | The softening temperature of coal ash ST | ST≥1250degree |
| 7 |
thermostability ST+6 |
>60% |
| 8 | crushing strength(>25mm) | >60% |
| 9 | thickness of colloidal matter layer (Y) | Y<12mm |
| 10 | calorific value | Soft coal>6500Kcal/Kg |