| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 1451.26 | USD | 20251020 |
| Shandong Dongyue | China national standards | MT | 1832.3 | USD | 20251019 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.31 | USD | 20251019 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.31 | USD | 20251018 |
| Shandong Dongyue | China national standards | MT | 1832.3 | USD | 20251018 |
| Shandong Yuxuan Chem | China national standards | MT | 1606.79 | USD | 20251018 |
| Shandong Hongyang Chem | China national standards | MT | 1902.78 | USD | 20251017 |
| Shandong Hongyang Chem | China national standards | MT | 1902.78 | USD | 20251017 |
| Shandong Dongyue | China national standards | MT | 1832.3 | USD | 20251017 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.31 | USD | 20251017 |