| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1139.93 | USD | 20250923 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1146.97 | USD | 20250923 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1146.18 | USD | 20250922 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1139.14 | USD | 20250922 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1145.82 | USD | 20250920 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1138.79 | USD | 20250920 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1138.79 | USD | 20250919 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1145.82 | USD | 20250919 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1146.51 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1139.48 | USD | 20250918 |