| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1189.79 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 1190.02 | USD | 20251013 |
| Shandong Hongyang Chem | China national standards | MT | 1190.02 | USD | 20251013 |
| Shandong Hongyang Chem | China national standards | MT | 1189.34 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 1189.34 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 1189.34 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 1189.34 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 1188.43 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 1188.43 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 1189.22 | USD | 20250930 |