| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua | China national standards | MT | 941.96 | USD | 20250920 |
| Shandong Zhongke Taihua | China national standards | MT | 941.96 | USD | 20250920 |
| Shandong Laya Chem | China national standards | MT | 745.14 | USD | 20250920 |
| Shandong Jinshenrun Chem | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Jinshenrun Chem | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Jinshenrun Chem | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Wonfull Petro | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Yushuo Chem | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Yushuo Chem | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Yushuo Chem | China national standards | MT | 787.31 | USD | 20250920 |