| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1152.99 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 1144.83 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 1151.89 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 1151.57 | USD | 20251209 |
| Shandong Yeyang Chem | China national standards | MT | 1151.72 | USD | 20251208 |
| Shandong Yeyang Chem | China national standards | MT | 1151.96 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 1144.89 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 1152.22 | USD | 20251204 |
| Shandong Yeyang Chem | China national standards | MT | 1151.88 | USD | 20251203 |