| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 902.62 | USD | 20251120 |
| Shandong Hanyue Chem | China national standards | MT | 930.82 | USD | 20251120 |
| Zibo Lishuo Chem | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Shuojia Chem | China national standards | MT | 898.39 | USD | 20251120 |
| Sinopec | China national standards | MT | 1128.27 | USD | 20251120 |
| Shandong Yushuo Chem | China national standards | MT | 902.62 | USD | 20251120 |
| Lihuayi Shandong | China national standards | MT | 987.24 | USD | 20251120 |
| Xiamen Yudeshun Chem | China national standards | MT | 1339.82 | USD | 20251120 |
| Xiamen Yudeshun Chem | China national standards | MT | 1339.82 | USD | 20251120 |
| Lihuayi Shandong | China national standards | MT | 895.56 | USD | 20251120 |