| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1400.91 | USD | 20250810 |
| Shandong Yeyang Chem | China national standards | MT | 1134.74 | USD | 20250809 |
| Shandong Yeyang Chem | China national standards | MT | 1141.74 | USD | 20250809 |
| Shandong Xingpeng Chem | China national standards | MT | 1400.91 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 1165.56 | USD | 20250809 |
| Dongying Lianchem | China national standards | MT | 1165.56 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 1165.56 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 1165.56 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 1176.77 | USD | 20250809 |
| Shandong Langchem | China national standards | MT | 1162.76 | USD | 20250809 |