| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 775.2 | USD | 20251017 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 775.2 | USD | 20251017 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 775.0 | USD | 20251016 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 775.0 | USD | 20251016 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.7 | USD | 20251015 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.7 | USD | 20251015 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.42 | USD | 20251014 |