| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1307.91 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1265.72 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1350.1 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1350.1 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1349.68 | USD | 20250919 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1349.68 | USD | 20250919 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1265.32 | USD | 20250919 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1307.5 | USD | 20250919 |