| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong BlueSky Petro | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong BlueSky Petro | China national standards | MT | 1116.62 | USD | 20251205 |
| Shandong Mingyu | China national standards | MT | 1128.27 | USD | 20251120 |
| Shandong Xingpeng Chem | China national standards | MT | 1100.82 | USD | 20251110 |
| Jinan Jinrihe Chem | China national standards | MT | 1156.8 | USD | 20251104 |
| Shandong Xima | China national standards | MT | 987.81 | USD | 20251030 |
| Shandong Yeyang Chem | China national standards | MT | 1226.6 | USD | 20251024 |
| Shandong Mingyu | China national standards | MT | 1155.37 | USD | 20251020 |
| Shandong Xima | China national standards | MT | 986.62 | USD | 20251017 |
| Jinan Jinrihe Chem | China national standards | MT | 1155.76 | USD | 20251017 |