| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 138.33 | USD | 20251124 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 138.27 | USD | 20251121 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 138.21 | USD | 20251120 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 138.28 | USD | 20251119 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 138.31 | USD | 20251118 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 138.39 | USD | 20251117 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 138.37 | USD | 20251114 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 134.12 | USD | 20251112 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 134.06 | USD | 20251111 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 134.07 | USD | 20251110 |