| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | 128# | MT | 1905.81 | USD | 20251107 |
| Shandong Yihe Chem | 128# | MT | 1905.03 | USD | 20251106 |
| Shandong Yihe Chem | 128# | MT | 1904.06 | USD | 20251105 |
| Shandong Yihe Chem | 128# | MT | 1904.49 | USD | 20251104 |
| Shandong Yihe Chem | 128# | MT | 1904.98 | USD | 20251103 |
| Shandong Yihe Chem | 128# | MT | 1904.63 | USD | 20251102 |
| Shandong Yihe Chem | 128# | MT | 1904.63 | USD | 20251101 |
| Shandong Yihe Chem | 128# | MT | 1904.63 | USD | 20251031 |
| Shandong Yihe Chem | 128# | MT | 1905.06 | USD | 20251030 |
| Shandong Yihe Chem | 128# | MT | 1905.62 | USD | 20251029 |