| Vendor | Spec | Unit | Price | Currency | Date |
| QiCheng Holdings | China national standards | MT | 119.44 | USD | 20251229 |
| Wudi Xinyue Chem | China national standards | MT | 122.71 | USD | 20251229 |
| Dongying Qirun Chem | China national standards | MT | 119.44 | USD | 20251229 |
| Shandong SuperEnergy | China national standards | MT | 119.44 | USD | 20251229 |
| Wudi Xinyue Chem | China national standards | MT | 122.71 | USD | 20251229 |
| Shandong Jincheng Petro | China national standards | MT | 123.7 | USD | 20251229 |
| Shandong Jincheng Petro | China national standards | MT | 123.7 | USD | 20251229 |
| Shandong Chambroad Energy | China national standards | MT | 132.23 | USD | 20251229 |
| Dongying Qirun Chem | China national standards | MT | 129.34 | USD | 20251226 |
| Dongying Qirun Chem | China national standards | MT | 129.34 | USD | 20251226 |