| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaowang Chem | China national standards | MT | 1017.11 | USD | 20251128 |
| Shandong Yaowang Chem | China national standards | MT | 1017.25 | USD | 20251127 |
| Shandong Yaowang Chem | China national standards | MT | 1016.58 | USD | 20251125 |
| Shandong Yaowang Chem | China national standards | MT | 1015.87 | USD | 20251122 |
| Shandong Yaowang Chem | China national standards | MT | 1015.87 | USD | 20251121 |
| Shandong Yaowang Chem | China national standards | MT | 1016.15 | USD | 20251118 |
| Shandong Yaowang Chem | China national standards | MT | 1016.59 | USD | 20251114 |
| Shandong Yaowang Chem | China national standards | MT | 1016.02 | USD | 20251113 |
| Shandong Yaowang Chem | China national standards | MT | 1058.48 | USD | 20251110 |
| Shandong Yaowang Chem | China national standards | MT | 1058.78 | USD | 20251107 |