| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Dongyue | China national standards | MT | 1829.75 | USD | 20251011 |
| Shandong Yuxuan Chem | China national standards | MT | 1548.25 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 1900.12 | USD | 20251011 |
| Shandong Zhenkun | China national standards | MT | 1449.72 | USD | 20251011 |
| Shandong Dongyue | China national standards | MT | 1829.75 | USD | 20251010 |
| Liaocheng Yuanze Chem | China national standards | MT | 1534.17 | USD | 20251010 |
| Shandong Yuxuan Chem | China national standards | MT | 1534.17 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 1900.12 | USD | 20251010 |
| Shandong Zhenkun | China national standards | MT | 1449.72 | USD | 20251010 |
| Shandong Zhenkun | China national standards | MT | 1448.62 | USD | 20251009 |