| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaowang Chem | China national standards | MT | 1144.25 | USD | 20251128 |
| Shandong Yaowang Chem | China national standards | MT | 1143.65 | USD | 20251125 |
| Shandong Yaowang Chem | China national standards | MT | 1128.75 | USD | 20251122 |
| Shandong Yaowang Chem | China national standards | MT | 1114.64 | USD | 20251121 |
| Shandong Yaowang Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Yaowang Chem | China national standards | MT | 1101.31 | USD | 20251114 |
| Shandong Yaowang Chem | China national standards | MT | 1100.68 | USD | 20251113 |
| Shandong Yaowang Chem | China national standards | MT | 1100.82 | USD | 20251110 |
| Shandong Yaowang Chem | China national standards | MT | 1087.02 | USD | 20251107 |
| Shandong Yaowang Chem | China national standards | MT | 1120.85 | USD | 20251025 |