| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 848.02 | USD | 20251210 |
| CNPC | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Chambroad | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 975.22 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 734.95 | USD | 20251210 |
| Derun Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Huizhou Jincheng Petro | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Huize Chem | China national standards | MT | 840.95 | USD | 20251210 |
| Shandong Jinwen Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Huizhou Jincheng Petro | China national standards | MT | 1102.43 | USD | 20251210 |