| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 660.67 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 660.04 | USD | 20251210 |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251128 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251125 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251124 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251122 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251118 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251028 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251027 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251025 |