| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.46 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 967.44 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.46 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.46 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.79 | USD | 20250815 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.79 | USD | 20250815 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.79 | USD | 20250815 |