| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.17 | USD | 20250918 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 232.12 | USD | 20250918 |
| Henan Junma Chemical Co., Ltd. | China national standards | MT | 189.91 | USD | 20250918 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 182.88 | USD | 20250918 |
| Jiangxi JINGHAO Salt Chemical Co., Ltd. | China national standards | MT | 203.98 | USD | 20250918 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 184.29 | USD | 20250918 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 225.08 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.07 | USD | 20250916 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 175.99 | USD | 20250916 |