| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.46 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |