| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Qixiang Chem | China national standards | MT | 705.97 | USD | 20251115 |
| Shandong Jinshenrun Chem | China national standards | MT | 705.97 | USD | 20251115 |
| Zibo Lishuo Chem | China national standards | MT | 818.92 | USD | 20251115 |
| Zibo Lishuo Chem | China national standards | MT | 818.92 | USD | 20251115 |
| Shandong Wonfull Petro | China national standards | MT | 705.97 | USD | 20251115 |
| Shandong Jinwen Chem | China national standards | MT | 854.22 | USD | 20251115 |
| Jinan Jinrihe Chem | China national standards | MT | 691.85 | USD | 20251115 |
| Shandong Jinwen Chem | China national standards | MT | 854.22 | USD | 20251115 |
| Shandong Laya Chem | China national standards | MT | 748.32 | USD | 20251115 |
| Jinan Jinrihe Chem | China national standards | MT | 705.97 | USD | 20251115 |