| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.24 | USD | 20251015 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1027.86 | USD | 20251014 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.07 | USD | 20251013 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1027.47 | USD | 20251011 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1027.47 | USD | 20251010 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1026.69 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1027.37 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1026.88 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1025.97 | USD | 20250926 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250925 |