| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Chem | China national standards | MT | 1059.86 | USD | 20251208 |
| Shandong Yuanhe Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Shandong Yuanhe Chem | China national standards | MT | 1059.38 | USD | 20251126 |
| Shandong Yuanhe Chem | China national standards | MT | 1058.2 | USD | 20251122 |
| Shandong Yuanhe Chem | China national standards | MT | 1058.2 | USD | 20251121 |
| Shandong Yuanhe Chem | China national standards | MT | 1058.83 | USD | 20251112 |
| Shandong Yuanhe Chem | China national standards | MT | 1058.78 | USD | 20251108 |
| Shandong Yuanhe Chem | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Yuanhe Chem | China national standards | MT | 1057.81 | USD | 20251105 |
| Shandong Yuanhe Chem | China national standards | MT | 1058.05 | USD | 20251104 |