| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 860.9 | USD | 20251118 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 860.9 | USD | 20251118 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 860.9 | USD | 20251110 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 860.9 | USD | 20251110 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 861.14 | USD | 20251107 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 861.14 | USD | 20251107 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 860.79 | USD | 20251106 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 860.79 | USD | 20251106 |