| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 129.49 | USD | 20251010 |
| Wuhan Hengjiu Chem | China national standards | MT | 129.39 | USD | 20251009 |
| Wuhan Hengjiu Chem | China national standards | MT | 129.48 | USD | 20251006 |
| Wuhan Hengjiu Chem | China national standards | MT | 129.48 | USD | 20251005 |
| Wuhan Hengjiu Chem | China national standards | MT | 129.48 | USD | 20251004 |
| Wuhan Hengjiu Chem | China national standards | MT | 129.48 | USD | 20251003 |
| Wuhan Hengjiu Chem | China national standards | MT | 129.48 | USD | 20251002 |
| Wuhan Hengjiu Chem | China national standards | MT | 129.48 | USD | 20251001 |
| Wuhan Hengjiu Chem | China national standards | MT | 129.48 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 129.42 | USD | 20250929 |