| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 847.03 | USD | 20251108 |
| Zibo Lishuo Chem | China national standards | MT | 847.03 | USD | 20251108 |
| Sinopec | China national standards | MT | 811.73 | USD | 20251108 |
| Sinopec | China national standards | MT | 818.79 | USD | 20251108 |
| Wanhua Yantai | China national standards | MT | 818.79 | USD | 20251108 |
| Shandong Xima | China national standards | MT | 790.56 | USD | 20251108 |
| Jinan Jinhao Chem | China national standards | MT | 1115.25 | USD | 20251108 |
| Zibo Lishuo Chem | China national standards | MT | 847.03 | USD | 20251108 |
| Shandong Langchem | China national standards | MT | 1058.78 | USD | 20251107 |
| Zibo Lishuo Chem | China national standards | MT | 847.03 | USD | 20251107 |