| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 714.26 | USD | 20251209 |
| Zibo Qixiang Chem | China national standards | MT | 714.26 | USD | 20251209 |
| Shandong Wonfull Petro | China national standards | MT | 714.26 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 699.42 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 699.42 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 699.42 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 699.42 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 714.26 | USD | 20251209 |
| Shandong Qiangsen Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Shandong Qiangsen Chem | China national standards | MT | 805.39 | USD | 20251209 |