| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 772.99 | USD | 20250926 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250925 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250925 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250924 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250924 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250923 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250923 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250919 |