| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 787.79 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.35 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 788.43 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 760.27 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 788.43 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 760.27 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.35 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 788.11 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.04 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 759.96 | USD | 20250915 |