| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 987.65 | USD | 20251122 |
| Zibo Lishuo Chem | China national standards | MT | 987.65 | USD | 20251122 |
| Sinopec | China national standards | MT | 895.94 | USD | 20251122 |
| Lihuayi Shandong | China national standards | MT | 895.94 | USD | 20251122 |
| Sinopec | China national standards | MT | 1248.68 | USD | 20251122 |
| Shandong Xima | China national standards | MT | 973.54 | USD | 20251122 |
| Shaanxi Yanchang Petro | China national standards | MT | 895.94 | USD | 20251122 |
| Lihuayi Shandong | China national standards | MT | 1245.86 | USD | 20251122 |
| Lihuayi Shandong | China national standards | MT | 895.94 | USD | 20251122 |
| Zibo Lishuo Chem | China national standards | MT | 987.65 | USD | 20251122 |