| Vendor | Spec | Unit | Price | Currency | Date |
| Weifang Longmao Chem | Industrial Grade | MT | 4951.48 | USD | 20251211 |
| Weifang Longmao Chem | Industrial Grade | MT | 4946.79 | USD | 20251210 |
| Weifang Longmao Chem | Industrial Grade | MT | 4945.39 | USD | 20251209 |
| Weifang Longmao Chem | Industrial Grade | MT | 4946.02 | USD | 20251208 |
| Weifang Longmao Chem | Industrial Grade | MT | 4663.72 | USD | 20251201 |
| Weifang Longmao Chem | Industrial Grade | MT | 4661.74 | USD | 20251128 |
| Weifang Longmao Chem | Industrial Grade | MT | 4662.4 | USD | 20251127 |
| Weifang Longmao Chem | Industrial Grade | MT | 4659.31 | USD | 20251125 |
| Weifang Longmao Chem | Industrial Grade | MT | 4657.92 | USD | 20251124 |
| Weifang Longmao Chem | Industrial Grade | MT | 4513.08 | USD | 20251120 |