| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 804.27 | USD | 20251119 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 790.16 | USD | 20251119 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 804.45 | USD | 20251118 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251118 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 804.33 | USD | 20251111 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 790.22 | USD | 20251111 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 804.45 | USD | 20251110 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251110 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 804.68 | USD | 20251107 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 790.56 | USD | 20251107 |