| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 436.58 | USD | 20251013 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251011 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 337.8 | USD | 20251010 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 337.77 | USD | 20250930 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 337.31 | USD | 20250928 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 337.76 | USD | 20250925 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 337.76 | USD | 20250924 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 337.76 | USD | 20250923 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 337.52 | USD | 20250922 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 337.62 | USD | 20250918 |