| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 260.24 | USD | 20250929 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.2 | USD | 20250929 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 267.27 | USD | 20250929 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 239.14 | USD | 20250929 |
| Henan Baiquan Pharmaceutical Co., Ltd. | China national standards | MT | 189.9 | USD | 20250929 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 189.9 | USD | 20250929 |
| Jiangxi JINGHAO Salt Chemical Co., Ltd. | China national standards | MT | 196.94 | USD | 20250929 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 182.87 | USD | 20250929 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 175.84 | USD | 20250929 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 196.94 | USD | 20250929 |