| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | Industrial Grade | MT | 15484.82 | USD | 20251127 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15481.1 | USD | 20251126 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15463.84 | USD | 20251121 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15457.3 | USD | 20251120 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15464.5 | USD | 20251119 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15467.99 | USD | 20251118 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15467.99 | USD | 20251118 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15476.73 | USD | 20251117 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15474.76 | USD | 20251114 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15466.03 | USD | 20251113 |