| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.57 | USD | 20251027 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.57 | USD | 20251027 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.09 | USD | 20251024 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.09 | USD | 20251024 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.19 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.19 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.82 | USD | 20251022 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.82 | USD | 20251022 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.07 | USD | 20251021 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.07 | USD | 20251021 |