| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1428.61 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 1428.61 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 1427.53 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 1427.53 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 1427.53 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 1428.47 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 1428.47 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 1428.47 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 1426.52 | USD | 20250928 |
| Shandong Hongyang Chem | China national standards | MT | 1426.52 | USD | 20250928 |