| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | China national standards | MT | 1111.78 | USD | 20250923 |
| Pingxiang Lixin BioTech | China national standards | MT | 1069.56 | USD | 20250923 |
| Pingxiang Lixin BioTech | China national standards | MT | 1013.27 | USD | 20250923 |
| Wuhan Hengjiu Chem | China national standards | MT | 985.12 | USD | 20250923 |
| Beijing WentongTech | China national standards | MT | 1069.56 | USD | 20250923 |
| Beijing WentongTech | China national standards | MT | 1069.56 | USD | 20250923 |
| Jinan Jinhao Chem | China national standards | MT | 1026.64 | USD | 20250922 |
| WENTONG Potassium | China national standards | MT | 1096.95 | USD | 20250922 |
| Jinan Jinhao Chem | China national standards | MT | 1012.57 | USD | 20250922 |
| WENTONG Potassium | China national standards | MT | 1125.08 | USD | 20250922 |