| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 816.25 | USD | 20250925 |
| Shandong Wonfull Petro | China national standards | MT | 816.25 | USD | 20250925 |
| Shandong Jinwen Chem | China national standards | MT | 851.43 | USD | 20250925 |
| Shandong Jinwen Chem | China national standards | MT | 851.43 | USD | 20250925 |
| Shandong Xima | China national standards | MT | 703.66 | USD | 20250925 |
| Shandong Xima | China national standards | MT | 703.66 | USD | 20250925 |
| Shandong Xima | China national standards | MT | 703.66 | USD | 20250925 |
| Shandong Xima | China national standards | MT | 703.66 | USD | 20250925 |
| Shandong Qiangsen Chem | China national standards | MT | 802.17 | USD | 20250925 |
| Shandong Qiangsen Chem | China national standards | MT | 802.17 | USD | 20250925 |