| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.96 | USD | 20251109 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.96 | USD | 20251108 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.96 | USD | 20251107 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.52 | USD | 20251106 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.97 | USD | 20251105 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.21 | USD | 20251104 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.49 | USD | 20251103 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.29 | USD | 20251102 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.29 | USD | 20251101 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1079.29 | USD | 20251031 |