| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 705.37 | USD | 20251104 |
| Shandong Wonfull Petro | China national standards | MT | 825.28 | USD | 20251104 |
| Shandong Yushuo Chem | China national standards | MT | 747.69 | USD | 20251104 |
| Shandong Yushuo Chem | China national standards | MT | 747.69 | USD | 20251104 |
| Shandong Qiangsen Chem | China national standards | MT | 804.12 | USD | 20251104 |
| Shandong Wonfull Petro | China national standards | MT | 747.69 | USD | 20251104 |
| Zibo Qixiang Chem | China national standards | MT | 705.37 | USD | 20251104 |
| Shanghai Ronghe Chem | China national standards | MT | 790.01 | USD | 20251104 |
| Shandong Yushuo Chem | China national standards | MT | 740.64 | USD | 20251104 |
| Shandong Jinshenrun Chem | China national standards | MT | 754.74 | USD | 20251104 |