| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Chem | China national standards | MT | 795.14 | USD | 20250923 |
| Nantong Zhonghe Chem | China national standards | MT | 717.73 | USD | 20250923 |
| Shandong Huize Chem | China national standards | MT | 851.43 | USD | 20250923 |
| Tangshan Huayi | China national standards | MT | 886.61 | USD | 20250923 |
| Jinan Aochen Chem | China national standards | MT | 844.39 | USD | 20250923 |
| Shijiaz Bailong Chem | China national standards | MT | 844.39 | USD | 20250923 |
| Jinan Aochen Chem | China national standards | MT | 844.39 | USD | 20250923 |
| Shandong QiFa Chem | China national standards | MT | 886.61 | USD | 20250923 |
| Xiangfen Longteng | China national standards | MT | 844.39 | USD | 20250923 |
| Jinan Aochen Chem | China national standards | MT | 844.39 | USD | 20250923 |