| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 730.83 | USD | 20250927 |
| Henan Zhongyuan Dahua | China national standards | MT | 688.67 | USD | 20250926 |
| Shandong Huize Chem | China national standards | MT | 702.72 | USD | 20250926 |
| Shandong Linglin | China national standards | MT | 688.67 | USD | 20250926 |
| Shandong Linglin | China national standards | MT | 702.72 | USD | 20250926 |
| Shandong Linglin | China national standards | MT | 688.67 | USD | 20250926 |
| Shandong Linglin | China national standards | MT | 688.67 | USD | 20250926 |
| Hubei 789 Chem | Industrial Grade | MT | 913.54 | USD | 20250926 |
| Hubei 789 Chem | Industrial Grade | MT | 913.54 | USD | 20250926 |
| Hubei 789 Chem | China national standards | MT | 772.99 | USD | 20250926 |