| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Yuanhe Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Shandong Yuanhe Chem | China national standards | MT | 819.26 | USD | 20251126 |
| Shandong Yuanhe Chem | China national standards | MT | 874.78 | USD | 20251122 |
| Shandong Yuanhe Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Shandong Yuanhe Chem | China national standards | MT | 875.3 | USD | 20251112 |
| Shandong Yuanhe Chem | China national standards | MT | 875.26 | USD | 20251108 |
| Shandong Yuanhe Chem | China national standards | MT | 875.26 | USD | 20251107 |
| Shandong Yuanhe Chem | China national standards | MT | 874.46 | USD | 20251105 |
| Shandong Yuanhe Chem | China national standards | MT | 874.66 | USD | 20251104 |