| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 825.51 | USD | 20251106 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 825.09 | USD | 20251105 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 825.28 | USD | 20251104 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 825.49 | USD | 20251103 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.28 | USD | 20251031 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.71 | USD | 20251029 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.27 | USD | 20251027 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 817.73 | USD | 20251024 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 789.64 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |