| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong River Chem | China national standards | MT | 727.88 | USD | 20251210 |
| Shandong River Chem | China national standards | MT | 727.77 | USD | 20251208 |
| Shandong River Chem | China national standards | MT | 735.16 | USD | 20251204 |
| Shandong River Chem | China national standards | MT | 734.94 | USD | 20251203 |
| Shandong River Chem | China national standards | MT | 756.09 | USD | 20251201 |
| Shandong River Chem | China national standards | MT | 762.94 | USD | 20251127 |
| Shandong River Chem | China national standards | MT | 776.88 | USD | 20251126 |
| Shandong River Chem | China national standards | MT | 776.55 | USD | 20251125 |
| Shandong River Chem | China national standards | MT | 775.69 | USD | 20251120 |
| Shandong River Chem | China national standards | MT | 776.05 | USD | 20251119 |