| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 253.06 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 182.77 | USD | 20250919 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 196.83 | USD | 20250919 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 203.86 | USD | 20250919 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 182.77 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 203.86 | USD | 20250919 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 182.77 | USD | 20250919 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 222.13 | USD | 20250919 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 210.89 | USD | 20250919 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 210.89 | USD | 20250919 |