| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250926 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1351.03 | USD | 20250925 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1351.03 | USD | 20250925 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250925 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1308.81 | USD | 20250925 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1308.81 | USD | 20250924 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250924 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1351.03 | USD | 20250924 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1351.03 | USD | 20250924 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250923 |