| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.91 | USD | 20251030 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.13 | USD | 20251029 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.0 | USD | 20251028 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.73 | USD | 20251027 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.24 | USD | 20251026 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.24 | USD | 20251025 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.24 | USD | 20251024 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.34 | USD | 20251023 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 746.96 | USD | 20251022 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.22 | USD | 20251021 |