| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 843.86 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 843.86 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 843.86 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |