| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1076.6 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 985.12 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 985.12 | USD | 20250923 |
| Shandong Qiangsen Chem | China national standards | MT | 985.12 | USD | 20250923 |
| Shandong Jinwen Chem | China national standards | MT | 1041.42 | USD | 20250923 |
| Nanjing Runsheng Petro | China national standards | MT | 1013.27 | USD | 20250923 |
| Shandong Zhiheng | China national standards | MT | 1252.52 | USD | 20250923 |
| Shandong Hongyang Chem | China national standards | MT | 1125.86 | USD | 20250923 |
| Shandong Hongyang Chem | China national standards | MT | 1125.86 | USD | 20250923 |
| Shandong Laya Chem | China national standards | MT | 999.2 | USD | 20250923 |