| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuntian Chem | China national standards | MT | 338.67 | USD | 20251111 |
| Shandong Shuntian Chem | China national standards | MT | 331.66 | USD | 20251110 |
| Shandong Shuntian Chem | China national standards | MT | 317.64 | USD | 20251107 |
| Shandong Shuntian Chem | China national standards | MT | 310.45 | USD | 20251106 |
| Shandong Shuntian Chem | China national standards | MT | 310.29 | USD | 20251105 |
| Shandong Shuntian Chem | China national standards | MT | 310.36 | USD | 20251104 |
| Shandong Shuntian Chem | China national standards | MT | 310.44 | USD | 20251103 |
| Shandong Shuntian Chem | China national standards | MT | 310.38 | USD | 20251031 |
| Shandong Shuntian Chem | China national standards | MT | 310.45 | USD | 20251030 |
| Shandong Shuntian Chem | China national standards | MT | 310.55 | USD | 20251029 |