| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 703.75 | USD | 20251010 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 703.68 | USD | 20250930 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 702.72 | USD | 20250928 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 703.66 | USD | 20250925 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 703.66 | USD | 20250924 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 703.66 | USD | 20250923 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |