| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2558.71 | USD | 20251230 |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | 2091.19 | USD | 20251209 |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | 2063.2 | USD | 20251208 |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | 2049.5 | USD | 20251205 |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | 2049.96 | USD | 20251204 |
| Nanjing CharcoalChem | China national standards | MT | 2049.35 | USD | 20251203 |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | 2049.21 | USD | 20251201 |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | 2048.63 | USD | 20251127 |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | 2046.66 | USD | 20251124 |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | 2045.94 | USD | 20251119 |