| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuntian Chem | China national standards | MT | 887.06 | USD | 20260604 |
| Shandong Shuntian Chem | China national standards | MT | 887.3 | USD | 20260603 |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260525 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260429 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260421 | |
| Shandong Shuntian Chem | China national standards | MT | USD | 20260416 | |
| Shandong Shuntian Chem | China national standards | MT | 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 |