| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.36 | USD | 20251210 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.64 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 1101.79 | USD | 20251202 |
| Wuhan Hengjiu Chem | China national standards | MT | 1102.33 | USD | 20251201 |
| Wuhan Hengjiu Chem | China national standards | MT | 1101.87 | USD | 20251128 |
| Wuhan Hengjiu Chem | China national standards | MT | 1101.76 | USD | 20251126 |