| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | 128# | MT | 1900.48 | USD | 20250411 |
| Shandong Huize Chem | 128# | MT | 1900.35 | USD | 20250410 |
| Shandong Huize Chem | 128# | MT | 1901.04 | USD | 20250409 |
| Shandong Huize Chem | 128# | MT | 1901.77 | USD | 20250408 |
| Shandong Huize Chem | 128# | MT | 1903.31 | USD | 20250407 |
| Shandong Huize Chem | 128# | MT | 1908.56 | USD | 20250331 |
| Shandong Huize Chem | 128# | MT | 1909.35 | USD | 20250328 |