| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 840.68 | USD | 20250815 |
| Shandong Qiangsen Chem | China national standards | MT | 1050.85 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 1162.94 | USD | 20250815 |
| Dongying Lianchem | China national standards | MT | 1165.74 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 1176.95 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 1165.74 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 1165.74 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 1165.74 | USD | 20250815 |
| Shandong Yeyang Chem | China national standards | MT | 1141.92 | USD | 20250815 |
| Shandong Yeyang Chem | China national standards | MT | 1134.91 | USD | 20250815 |