| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 281.66 | USD | 20251013 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.5 | USD | 20251011 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.5 | USD | 20251010 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.29 | USD | 20251009 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.47 | USD | 20251008 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.47 | USD | 20251006 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.47 | USD | 20251005 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.47 | USD | 20251004 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.47 | USD | 20251003 |
| Wuhan Hengjiu Chem | China national standards | MT | 281.47 | USD | 20251002 |