| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong SuperEnergy | China national standards | MT | 116.56 | USD | 20251230 |
| Shandong Kenli Petro | China national standards | MT | 110.88 | USD | 20251230 |
| Dongying UNITED Petro | China national standards | MT | 111.59 | USD | 20251230 |
| Hebei Xinhai Chem | China national standards | MT | 125.09 | USD | 20251230 |
| Shandong SuperEnergy | China national standards | MT | 116.56 | USD | 20251230 |
| Shandong Jincheng Petro | China national standards | MT | 122.25 | USD | 20251230 |
| Shandong Jincheng Petro | China national standards | MT | 122.25 | USD | 20251230 |
| Dongying Qirun Chem | China national standards | MT | 119.44 | USD | 20251229 |
| QiCheng Holdings | China national standards | MT | 119.44 | USD | 20251229 |
| Wudi Xinyue Chem | China national standards | MT | 122.71 | USD | 20251229 |