| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaowang Chem | China national standards | MT | 1115.99 | USD | 20251128 |
| Shandong Yaowang Chem | China national standards | MT | 1137.34 | USD | 20251127 |
| Shandong Yaowang Chem | China national standards | MT | 1171.89 | USD | 20251125 |
| Shandong Yaowang Chem | China national standards | MT | 1185.19 | USD | 20251122 |
| Shandong Yaowang Chem | China national standards | MT | 1185.19 | USD | 20251121 |
| Shandong Yaowang Chem | China national standards | MT | 1171.39 | USD | 20251118 |
| Shandong Yaowang Chem | China national standards | MT | 1143.66 | USD | 20251114 |
| Shandong Yaowang Chem | China national standards | MT | 1128.91 | USD | 20251113 |
| Shandong Yaowang Chem | China national standards | MT | 1107.88 | USD | 20251110 |
| Shandong Yaowang Chem | China national standards | MT | 1101.14 | USD | 20251107 |