| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.63 | USD | 20251126 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.31 | USD | 20251125 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.09 | USD | 20251124 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.8 | USD | 20251123 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.8 | USD | 20251122 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.8 | USD | 20251121 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.48 | USD | 20251120 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.83 | USD | 20251119 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.0 | USD | 20251118 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.42 | USD | 20251117 |