| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |