| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 719.58 | USD | 20251122 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 719.58 | USD | 20251122 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 719.58 | USD | 20251121 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 719.58 | USD | 20251121 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 775.69 | USD | 20251120 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 776.05 | USD | 20251119 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251118 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 776.11 | USD | 20251111 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 825.62 | USD | 20251110 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 825.85 | USD | 20251107 |