| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 1534.76 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 1900.85 | USD | 20251014 |
| Liaocheng Yuanze Chem | China national standards | MT | 1535.06 | USD | 20251013 |
| Shandong Dongyue | China national standards | MT | 1830.81 | USD | 20251013 |
| Shandong Hongyang Chem | China national standards | MT | 1901.22 | USD | 20251013 |
| Shandong Zhenkun | China national standards | MT | 1450.56 | USD | 20251013 |
| Shandong Dongyue | China national standards | MT | 1829.75 | USD | 20251012 |
| Liaocheng Yuanze Chem | China national standards | MT | 1534.17 | USD | 20251012 |
| Shandong Zhenkun | China national standards | MT | 1449.72 | USD | 20251012 |
| Shandong Hongyang Chem | China national standards | MT | 1900.12 | USD | 20251011 |