| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1638.05 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 1638.05 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 1623.72 | USD | 20251116 |
| Shandong Yihe Chem | China national standards | MT | 1623.72 | USD | 20251116 |
| Shandong Yihe Chem | China national standards | MT | 1623.72 | USD | 20251115 |
| Shandong Yihe Chem | China national standards | MT | 1623.72 | USD | 20251115 |
| Shandong Yihe Chem | China national standards | MT | 1623.72 | USD | 20251114 |
| Shandong Yihe Chem | China national standards | MT | 1623.72 | USD | 20251114 |
| Shandong Yihe Chem | China national standards | MT | 1622.8 | USD | 20251113 |
| Shandong Yihe Chem | China national standards | MT | 1622.8 | USD | 20251113 |