| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 773.54 | USD | 20251009 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 773.68 | USD | 20250929 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250929 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 772.99 | USD | 20250928 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250928 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 772.99 | USD | 20250928 |