| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 569.2 | USD | 20250926 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 569.96 | USD | 20250925 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 569.96 | USD | 20250924 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 569.96 | USD | 20250923 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 569.57 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 569.4 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 569.74 | USD | 20250918 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 570.21 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 569.97 | USD | 20250915 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 569.71 | USD | 20250902 |