| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Wonfull Petro | China national standards | MT | 847.53 | USD | 20251202 |
| Jinan Aochen Chem | China national standards | MT | 847.53 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 755.71 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 889.91 | USD | 20251202 |
| Jinan Aochen Chem | China national standards | MT | 847.53 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 727.46 | USD | 20251202 |
| Xiangfen Longteng | China national standards | MT | 847.53 | USD | 20251202 |
| Jinan Jinhao Chem | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Yushuo Chem | China national standards | MT | 727.46 | USD | 20251202 |