| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1055.56 | USD | 20250904 |
| Shandong Junfeng | China national standards | MT | 1196.31 | USD | 20250904 |
| Shandong Xima | China national standards | MT | 957.05 | USD | 20250904 |
| Shandong Qiangsen Chem | China national standards | MT | 985.19 | USD | 20250904 |
| Shandong Langchem | China national standards | MT | 1170.97 | USD | 20250904 |
| Shandong Langchem | China national standards | MT | 1175.2 | USD | 20250904 |
| Shandong Jinwen Chem | China national standards | MT | 1210.38 | USD | 20250904 |
| Aite Zhejiang | China national standards | MT | 1125.05 | USD | 20250903 |
| Shandong Junfeng | China national standards | MT | 1195.36 | USD | 20250903 |
| Aite Zhejiang | China national standards | MT | 1125.35 | USD | 20250902 |