| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1266.02 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1350.42 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1350.42 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250928 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250928 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1264.9 | USD | 20250928 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1307.06 | USD | 20250928 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1307.06 | USD | 20250926 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1264.9 | USD | 20250926 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250926 |