| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1432.48 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1432.48 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1431.98 | USD | 20251027 |
| Shandong Hongyang Chem | China national standards | MT | 1431.98 | USD | 20251027 |
| Shandong Hongyang Chem | China national standards | MT | 1431.98 | USD | 20251027 |
| Shandong Hongyang Chem | China national standards | MT | 1431.03 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 1431.03 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 1431.03 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 1431.23 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 1431.23 | USD | 20251023 |