| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 633.01 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 632.45 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 744.88 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 744.88 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 744.88 | USD | 20250928 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 744.88 | USD | 20250926 |