| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 984.5 | USD | 20251009 |
| Zibo Lishuo Chem | China national standards | MT | 984.5 | USD | 20251009 |
| Sinopec | China national standards | MT | 984.5 | USD | 20251009 |
| Lihuayi Shandong | China national standards | MT | 984.5 | USD | 20251009 |
| Beijing Yanshan Petro | China national standards | MT | 1153.27 | USD | 20251009 |
| Sinopec | China national standards | MT | 1125.14 | USD | 20251009 |
| Shandong Xima | China national standards | MT | 970.44 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1293.92 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1329.08 | USD | 20251009 |
| Shandong Yuhuang Chem | China national standards | MT | 1286.88 | USD | 20251009 |