| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | Industrial Grade | MT | 15473.01 | USD | 20251112 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15465.81 | USD | 20251111 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15467.99 | USD | 20251110 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15472.36 | USD | 20251107 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15466.03 | USD | 20251106 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15458.17 | USD | 20251105 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15461.66 | USD | 20251104 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15465.59 | USD | 20251103 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15462.75 | USD | 20251031 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15466.25 | USD | 20251030 |