| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 212.21 | USD | 20251211 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 212.01 | USD | 20251210 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 211.95 | USD | 20251209 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 211.97 | USD | 20251208 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 212.02 | USD | 20251207 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 212.02 | USD | 20251205 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 212.0 | USD | 20251203 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 211.88 | USD | 20251202 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 211.99 | USD | 20251201 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 211.9 | USD | 20251130 |