| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251019 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251018 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251017 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1000.45 | USD | 20251016 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1000.07 | USD | 20251015 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 999.7 | USD | 20251014 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 999.9 | USD | 20251013 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 999.32 | USD | 20251012 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 999.32 | USD | 20251011 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 999.32 | USD | 20251010 |