| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuntian Chem | China national standards | MT | 784.84 | USD | 20260116 |
| Shandong Shuntian Chem | China national standards | MT | 772.11 | USD | 20260108 |
| Shandong Shuntian Chem | China national standards | MT | 772.11 | USD | 20260108 |
| Shandong Shuntian Chem | China national standards | MT | 772.11 | USD | 20260108 |
| Shandong Shuntian Chem | China national standards | MT | 768.27 | USD | 20260104 |
| Shandong Shuntian Chem | China national standards | MT | 768.27 | USD | 20260104 |
| Shandong Shuntian Chem | China national standards | MT | 768.27 | USD | 20260104 |