| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1006.62 | USD | 20250829 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1006.15 | USD | 20250828 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1012.54 | USD | 20250827 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1018.43 | USD | 20250826 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1021.63 | USD | 20250825 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1019.34 | USD | 20250824 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1019.34 | USD | 20250823 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1012.32 | USD | 20250822 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1004.39 | USD | 20250821 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1003.03 | USD | 20250820 |