| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 803.94 | USD | 20251105 |
| Shandong Jinwen Chem | China national standards | MT | 853.3 | USD | 20251105 |
| Shandong Wonfull Petro | China national standards | MT | 825.09 | USD | 20251105 |
| Shandong Zhongke Taihua | China national standards | MT | 944.98 | USD | 20251105 |
| Shandong Hanyue Chem | China national standards | MT | 761.63 | USD | 20251105 |
| Shandong Jinshenrun Chem | China national standards | MT | 754.57 | USD | 20251105 |
| Jinan Aochen Chem | China national standards | MT | 733.42 | USD | 20251105 |
| Shandong Xima | China national standards | MT | 705.21 | USD | 20251105 |
| Shandong Xima | China national standards | MT | 705.21 | USD | 20251105 |
| Shandong Hanyue Chem | China national standards | MT | 761.63 | USD | 20251105 |