| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuntian Chem | China national standards | MT | 1020.5 | USD | 20260421 |
| Shandong Shuntian Chem | China national standards | MT | 1195.06 | USD | 20260416 |
| Shandong Shuntian Chem | China national standards | MT | 1224.81 | USD | 20260415 |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260407 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260402 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260401 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260330 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260325 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260324 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260323 |