| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.28 | USD | 20251024 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.31 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.22 | USD | 20251022 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.28 | USD | 20251021 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.28 | USD | 20251021 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.17 | USD | 20251020 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.23 | USD | 20251017 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.18 | USD | 20251016 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.11 | USD | 20251015 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 183.04 | USD | 20251014 |