| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.64 | USD | 20250809 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.63 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.64 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.64 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.64 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 967.13 | USD | 20250807 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.15 | USD | 20250807 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.15 | USD | 20250807 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.15 | USD | 20250807 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.26 | USD | 20250806 |