| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.34 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.09 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 368.23 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.09 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 323.25 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.09 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 368.23 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.09 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 323.25 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 368.72 | USD | 20250925 |