| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Wanhua Chem | China national standards | MT | USD | 20251009 | |
| Shandong Guanjiu Energy | Qualified/Standard Grade | MT | USD | 20251009 | |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | USD | 20251009 | |
| Wanhua Chem | China national standards | MT | USD | 20250930 | |
| Shandong Guanjiu Energy | China national standards | MT | USD | 20250930 | |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | USD | 20250930 | |
| Nanjing CharcoalChem | Qualified/Standard Grade | MT | USD | 20250929 |