| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 984.14 | USD | 20250920 |
| Shaanxi Yanchang Petro | China national standards | MT | 913.85 | USD | 20250920 |
| Zibo Lishuo Chem | China national standards | MT | 984.14 | USD | 20250920 |
| Zibo Lishuo Chem | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Yuhuang Chem | China national standards | MT | 1286.41 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1328.59 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1293.44 | USD | 20250920 |
| Shandong Jinwen Chem | China national standards | MT | 1195.03 | USD | 20250920 |
| Shandong Xima | China national standards | MT | 970.08 | USD | 20250920 |
| Shandong Xima | China national standards | MT | 970.08 | USD | 20250920 |