| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 713.69 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 720.76 | USD | 20251201 |
| Shandong Yushuo Chem | China national standards | MT | 727.82 | USD | 20251201 |
| Shandong Wonfull Petro | China national standards | MT | 699.26 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 706.32 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 706.32 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 699.26 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 706.32 | USD | 20251130 |
| Shandong Wonfull Petro | China national standards | MT | 699.26 | USD | 20251130 |
| Zibo Qixiang Chem | China national standards | MT | 699.26 | USD | 20251130 |