| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 744.88 | USD | 20250928 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 744.88 | USD | 20250928 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250928 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 772.99 | USD | 20250926 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 744.88 | USD | 20250926 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |