| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 1434.9 | USD | 20250918 |
| Jinan Dezheng Chem | China national standards | MT | 1434.9 | USD | 20250918 |
| Hubei 789 Chem | China national standards | MT | 1125.41 | USD | 20250918 |
| Jinan Jiaxing Chem | China national standards | MT | 984.74 | USD | 20250918 |
| Jinan Jiaxing Chem | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Junfeng | China national standards | MT | 921.43 | USD | 20250918 |
| Shandong Junfeng | China national standards | MT | 914.4 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 1786.59 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 1828.8 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 1828.8 | USD | 20250918 |