| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 1608.9 | USD | 20251028 |
| Shandong Zhenkun | China national standards | MT | 1453.65 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1905.27 | USD | 20251028 |
| Shandong Yuxuan Chem | China national standards | MT | 1608.33 | USD | 20251027 |
| Shandong Dongyue | China national standards | MT | 1834.06 | USD | 20251027 |
| Shandong Dongyue | China national standards | MT | 1834.06 | USD | 20251027 |
| Liaocheng Yuanze Chem | China national standards | MT | 1537.79 | USD | 20251027 |
| Shandong Dongyue | China national standards | MT | 1832.84 | USD | 20251026 |
| Shandong Dongyue | China national standards | MT | 1832.84 | USD | 20251025 |
| Shandong Dongyue | China national standards | MT | 1832.84 | USD | 20251024 |