| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petro | China national standards | MT | 903.13 | USD | 20251113 |
| Shandong Jinwen Chem | China national standards | MT | 1199.46 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 867.85 | USD | 20251113 |
| Wanhua Chem | China national standards | MT | 910.18 | USD | 20251113 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.24 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 865.03 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 1246.03 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 867.85 | USD | 20251113 |
| Sinopec | China national standards | MT | 931.35 | USD | 20251113 |
| Shandong Laya Chem | China national standards | MT | 973.68 | USD | 20251113 |