| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium | China national standards | MT | 1085.61 | USD | 20251026 |
| Pingxiang Lixin BioTech | 200 mesh | MT | 1113.81 | USD | 20251026 |
| Pingxiang Lixin BioTech | China national standards | MT | 1085.61 | USD | 20251026 |
| Pingxiang Lixin BioTech | China national standards | MT | 1015.11 | USD | 20251026 |
| Pingxiang Lixin BioTech | China national standards | MT | 958.72 | USD | 20251026 |
| Pingxiang Lixin BioTech | China national standards | MT | 930.52 | USD | 20251026 |
| WENTONG Potassium | China national standards | MT | 1029.21 | USD | 20251026 |
| Shandong Jinshenrun Chem | China national standards | MT | 1029.21 | USD | 20251026 |
| Shandong Jinshenrun Chem | China national standards | MT | 1029.21 | USD | 20251026 |
| Beijing WentongTech | China national standards | MT | 1085.61 | USD | 20251026 |