| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 915.4 | USD | 20251013 |
| Shandong Hongyang Chem | China national standards | MT | 859.07 | USD | 20251013 |
| Shandong Hongyang Chem | China national standards | MT | 914.87 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 858.57 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 858.57 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 914.87 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 857.92 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 858.49 | USD | 20250930 |