| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | Industrial Grade | MT | 15505.19 | USD | 20251211 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15490.51 | USD | 20251210 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15486.13 | USD | 20251209 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15488.1 | USD | 20251208 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15491.39 | USD | 20251205 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15494.89 | USD | 20251204 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15490.29 | USD | 20251203 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15481.54 | USD | 20251202 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15489.2 | USD | 20251201 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15482.63 | USD | 20251128 |