| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 506.27 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 506.27 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 625.81 | USD | 20250827 |
| Shandong Jinwen Chem | China national standards | MT | 506.27 | USD | 20250827 |
| Nanjing Daze | China national standards | MT | 773.47 | USD | 20250827 |
| Shandong Mengkanda Chem | China national standards | MT | 534.4 | USD | 20250827 |
| Nanjing Baitu Chem | China national standards | MT | 618.78 | USD | 20250827 |
| Nanjing Baitu Chem | China national standards | MT | 618.78 | USD | 20250827 |
| Shandong Fusheng | China national standards | MT | 703.16 | USD | 20250827 |
| Shandong Fusheng | China national standards | MT | 703.16 | USD | 20250827 |