| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 430.45 | USD | 20251110 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 430.57 | USD | 20251107 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 430.4 | USD | 20251106 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 430.27 | USD | 20251104 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 430.38 | USD | 20251103 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.36 | USD | 20251031 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.59 | USD | 20251029 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.35 | USD | 20251027 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.06 | USD | 20251024 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.12 | USD | 20251023 |