| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1252.55 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1252.55 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1111.81 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1111.81 | USD | 20250930 |
| Shandong Laya Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 1428.47 | USD | 20250930 |