| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Jinwen Chem | China national standards | MT | 853.65 | USD | 20251119 |
| Shandong Laya Chem | China national standards | MT | 747.83 | USD | 20251119 |
| Zibo Qixiang Chem | China national standards | MT | 846.6 | USD | 20251119 |
| Jinan Jinhao Chem | China national standards | MT | 776.05 | USD | 20251119 |
| Shandong Wonfull Petro | China national standards | MT | 776.05 | USD | 20251119 |
| Shandong Jinshenrun Chem | China national standards | MT | 733.72 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 726.66 | USD | 20251119 |
| Changzhou Guoshun Chem | China national standards | MT | 1128.8 | USD | 20251119 |
| Shandong Shuojia Chem | China national standards | MT | 747.83 | USD | 20251119 |