| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 746.41 | USD | 20251013 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 746.41 | USD | 20251013 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 745.97 | USD | 20251011 |