| Vendor | Spec | Unit | Price | Currency | Date |
| Weifang Longmao Chem | Industrial Grade | MT | 4515.18 | USD | 20251119 |
| Weifang Longmao Chem | Industrial Grade | MT | 4516.2 | USD | 20251118 |
| Weifang Longmao Chem | Industrial Grade | MT | 4377.54 | USD | 20251117 |
| Weifang Longmao Chem | Industrial Grade | MT | 4374.51 | USD | 20251113 |
| Weifang Longmao Chem | Industrial Grade | MT | 4375.07 | USD | 20251110 |
| Weifang Longmao Chem | Industrial Grade | MT | 4374.51 | USD | 20251106 |
| Weifang Longmao Chem | Industrial Grade | MT | 4373.28 | USD | 20251104 |
| Weifang Longmao Chem | Industrial Grade | MT | 4374.39 | USD | 20251103 |
| Weifang Longmao Chem | Industrial Grade | MT | 4374.58 | USD | 20251030 |
| Weifang Longmao Chem | Industrial Grade | MT | 4375.07 | USD | 20251028 |