| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1100.06 | USD | 20251120 |
| Shandong Yeyang Chem | China national standards | MT | 1114.69 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1255.79 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1100.58 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1100.58 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 1114.94 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 1256.78 | USD | 20251117 |
| Shandong Yeyang Chem | China national standards | MT | 1115.57 | USD | 20251117 |