| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 802.58 | USD | 20251014 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 802.74 | USD | 20251013 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 788.65 | USD | 20251013 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 787.6 | USD | 20251009 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 787.74 | USD | 20250929 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 787.05 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 787.05 | USD | 20250926 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 788.1 | USD | 20250925 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250925 |