| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Wuhan Hengjiu Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Wuhan Hengjiu Chem | China national standards | MT | 847.53 | USD | 20251202 |
| Wuhan Hengjiu Chem | China national standards | MT | 847.59 | USD | 20251128 |
| Wuhan Hengjiu Chem | China national standards | MT | 847.51 | USD | 20251126 |
| Wuhan Hengjiu Chem | China national standards | MT | 847.15 | USD | 20251125 |
| Wuhan Hengjiu Chem | China national standards | MT | 846.9 | USD | 20251124 |
| Wuhan Hengjiu Chem | China national standards | MT | 846.56 | USD | 20251122 |
| Wuhan Hengjiu Chem | China national standards | MT | 846.6 | USD | 20251119 |