| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 987.79 | USD | 20251113 |
| Zibo Lishuo Chem | China national standards | MT | 987.79 | USD | 20251113 |
| Sinopec | China national standards | MT | 867.85 | USD | 20251113 |
| Shandong Huize Chem | China national standards | MT | 1058.35 | USD | 20251113 |
| Sinopec | China national standards | MT | 1199.46 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 867.85 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 1030.13 | USD | 20251113 |
| Nanjing Runsheng Petro | China national standards | MT | 903.13 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 867.85 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 867.85 | USD | 20251113 |