| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | China national standards | MT | 1013.98 | USD | 20251013 |
| WENTONG Potassium | China national standards | MT | 1013.4 | USD | 20251012 |
| Shandong Jinshenrun Chem | China national standards | MT | 1041.55 | USD | 20251012 |
| Shandong Jinshenrun Chem | China national standards | MT | 1041.55 | USD | 20251012 |
| Beijing WentongTech | China national standards | MT | 1083.77 | USD | 20251012 |
| Shandong Jinshenrun Chem | China national standards | MT | 886.72 | USD | 20251012 |
| Pingxiang Lixin BioTech | China national standards | MT | 1013.4 | USD | 20251012 |
| Pingxiang Lixin BioTech | China national standards | MT | 1062.66 | USD | 20251012 |
| Pingxiang Lixin BioTech | China national standards | MT | 1090.81 | USD | 20251012 |
| Pingxiang Lixin BioTech | China national standards | MT | 1083.77 | USD | 20251012 |