| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 969.63 | USD | 20250825 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 967.46 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250822 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 967.46 | USD | 20250822 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250822 |