| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.67 | USD | 20251203 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.67 | USD | 20251203 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.94 | USD | 20251203 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 223.31 | USD | 20251203 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.87 | USD | 20251203 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 212.0 | USD | 20251203 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 183.74 | USD | 20251203 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.88 | USD | 20251202 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.88 | USD | 20251202 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 226.01 | USD | 20251202 |