| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1827.07 | USD | 20250927 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1827.07 | USD | 20250926 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1829.52 | USD | 20250925 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1829.52 | USD | 20250924 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1829.52 | USD | 20250923 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1828.26 | USD | 20250922 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1448.09 | USD | 20250920 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1448.09 | USD | 20250919 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1448.97 | USD | 20250918 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1450.15 | USD | 20250916 |