| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250924 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250923 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250923 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250923 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250923 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |