| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 992.86 | USD | 20251013 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 991.53 | USD | 20251009 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 991.53 | USD | 20251009 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 991.71 | USD | 20250929 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 991.71 | USD | 20250929 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1004.89 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1004.89 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1004.89 | USD | 20250926 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1004.89 | USD | 20250926 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1006.23 | USD | 20250925 |