| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Chem | China national standards | MT | 909.04 | USD | 20251022 |
| Shandong Yuanhe Chem | China national standards | MT | 916.09 | USD | 20251022 |
| Shandong Yuanhe Chem | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Yuanhe Chem | China national standards | MT | 929.3 | USD | 20251014 |
| Shandong Yuanhe Chem | China national standards | MT | 928.83 | USD | 20250924 |
| Shandong Yuanhe Chem | China national standards | MT | 914.76 | USD | 20250924 |
| Shandong Yuanhe Chem | China national standards | MT | 928.83 | USD | 20250923 |
| Shandong Yuanhe Chem | China national standards | MT | 914.76 | USD | 20250923 |