| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 1606.79 | USD | 20251017 |
| Shandong Zhenkun | China national standards | MT | 1451.75 | USD | 20251017 |
| Liaocheng Yuanze Chem | China national standards | MT | 1535.9 | USD | 20251016 |
| Shandong Dongyue | China national standards | MT | 1831.81 | USD | 20251016 |
| Shandong Yuxuan Chem | China national standards | MT | 1549.99 | USD | 20251016 |
| Shandong Zhenkun | China national standards | MT | 1451.36 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 1902.27 | USD | 20251016 |
| Shandong Zhenkun | China national standards | MT | 1450.81 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1901.54 | USD | 20251015 |
| Liaocheng Yuanze Chem | China national standards | MT | 1534.76 | USD | 20251014 |