| Vendor | Spec | Unit | Price | Currency | Date |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 132.85 | USD | 20251201 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 145.56 | USD | 20251201 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 127.19 | USD | 20251201 |
| Changzhou Qinghong Chemical Co., Ltd. | China national standards | MT | 148.39 | USD | 20251201 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 135.67 | USD | 20251201 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 127.14 | USD | 20251130 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 127.14 | USD | 20251129 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 127.14 | USD | 20251128 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 127.16 | USD | 20251127 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 127.13 | USD | 20251126 |