| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1449.56 | USD | 20250915 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1450.32 | USD | 20250914 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1450.32 | USD | 20250913 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1450.32 | USD | 20250912 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1450.54 | USD | 20250909 |