| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1037.55 | USD | 20250818 |
| Shandong Xima | China national standards | MT | 953.42 | USD | 20250818 |
| Shandong Junfeng | China national standards | MT | 1191.78 | USD | 20250818 |
| Shandong Qiangsen Chem | China national standards | MT | 981.46 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1166.54 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1205.8 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1205.8 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1170.75 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1191.78 | USD | 20250818 |
| Shandong Jinwen Chem | China national standards | MT | 1205.8 | USD | 20250818 |