| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | 128# | MT | 1943.09 | USD | 20251014 |
| Shandong Hongyang Chem | 128# | MT | 1943.47 | USD | 20251013 |
| Shandong Hongyang Chem | 128# | MT | 1942.35 | USD | 20251011 |
| Shandong Hongyang Chem | 128# | MT | 1942.35 | USD | 20251010 |
| Shandong Hongyang Chem | 128# | MT | 1940.87 | USD | 20251009 |
| Shandong Hongyang Chem | 128# | MT | 1942.16 | USD | 20250930 |
| Shandong Hongyang Chem | 128# | MT | 1939.51 | USD | 20250928 |
| Shandong Hongyang Chem | 128# | MT | 1939.51 | USD | 20250926 |
| Shandong Hongyang Chem | 128# | MT | 1942.1 | USD | 20250925 |
| Shandong Hongyang Chem | 128# | MT | 1942.1 | USD | 20250924 |