| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haihua | China national standards | MT | 210.82 | USD | 20250928 |
| Henan Shunzhibang | China national standards | MT | 252.98 | USD | 20250928 |
| Henan Shunzhibang | China national standards | MT | 267.03 | USD | 20250928 |
| Henan Shunzhibang | China national standards | MT | 238.93 | USD | 20250928 |
| Shandong Hanyue Chem | China national standards | MT | 189.73 | USD | 20250928 |
| Suzhou Shangma Chem | China national standards | MT | 210.82 | USD | 20250928 |
| Henan Junma Chem | China national standards | MT | 189.73 | USD | 20250928 |
| Pingxiang Lixin BioTech | China national standards | MT | 182.71 | USD | 20250928 |
| Pingxiang Lixin BioTech | China national standards | MT | 175.68 | USD | 20250928 |
| Jiangxi Jinghao Salt | China national standards | MT | 196.76 | USD | 20250928 |