| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 847.16 | USD | 20251116 |
| Liaocheng Yuanze Chem | China national standards | MT | 875.4 | USD | 20251116 |
| Shandong Zhenkun | China national standards | MT | 1080.13 | USD | 20251116 |
| Qingdao Shengze Chem | China national standards | MT | 825.98 | USD | 20251116 |
| Shandong Laya Chem | China national standards | MT | 1002.47 | USD | 20251115 |
| Shandong Laya Chem | China national standards | MT | 1002.47 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1101.31 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1080.13 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1284.86 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1108.37 | USD | 20251115 |