| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |