| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 802.74 | USD | 20251013 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.81 | USD | 20250929 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.1 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.1 | USD | 20250926 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250925 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250924 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250923 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |