| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuntian Chem | China national standards | MT | 385.88 | USD | 20260424 |
| Shandong Shuntian Chem | China national standards | MT | 393.39 | USD | 20260423 |
| Shandong Shuntian Chem | China national standards | MT | 400.67 | USD | 20260422 |
| Shandong Shuntian Chem | China national standards | MT | 408.2 | USD | 20260421 |
| Shandong Shuntian Chem | China national standards | MT | 429.73 | USD | 20260420 |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260417 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260415 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260414 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260413 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260410 |