| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1037.14 | USD | 20250813 |
| Shandong Xima | China national standards | MT | 953.05 | USD | 20250813 |
| Shandong Junfeng | China national standards | MT | 1191.31 | USD | 20250813 |
| Shandong Qiangsen Chem | China national standards | MT | 981.08 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 1191.31 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 1170.29 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 1205.33 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 1205.33 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 1166.08 | USD | 20250813 |
| Shandong Jinwen Chem | China national standards | MT | 1205.33 | USD | 20250813 |