| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1116.24 | USD | 20251209 |
| Shandong Yihe Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Zhenghe | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Jinwen Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Huizhou Jincheng Petro | China national standards | MT | 1102.12 | USD | 20251209 |
| CNPC | China national standards | MT | 847.78 | USD | 20251209 |
| Shandong Dongming Petro | China national standards | MT | 1879.25 | USD | 20251209 |
| Sinopec | China national standards | MT | 1095.05 | USD | 20251209 |
| Huizhou Jincheng Petro | China national standards | MT | 876.04 | USD | 20251209 |