| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 92.96 | USD | 20251015 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 92.93 | USD | 20251014 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 92.95 | USD | 20251013 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 92.89 | USD | 20251011 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 92.89 | USD | 20251010 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 95.64 | USD | 20251009 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 95.7 | USD | 20250930 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 95.65 | USD | 20250929 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 95.57 | USD | 20250928 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 95.57 | USD | 20250927 |