| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.65 | USD | 20250912 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.65 | USD | 20250912 |