| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 932.56 | USD | 20251209 |
| Sinopec | China national standards | MT | 932.56 | USD | 20251209 |
| Lihuayi Shandong | China national standards | MT | 925.49 | USD | 20251209 |
| Shandong Laya Chem | China national standards | MT | 975.07 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1194.11 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1194.11 | USD | 20251208 |
| CNPC | China national standards | MT | 1215.31 | USD | 20251208 |
| Sinopec | China national standards | MT | 1215.31 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 1172.91 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 1059.86 | USD | 20251208 |