| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | China national standards | MT | 1100.58 | USD | 20251119 |
| Shandong Jinshenrun Chem | China national standards | MT | 1030.26 | USD | 20251118 |
| WENTONG Potassium | China national standards | MT | 1030.26 | USD | 20251118 |
| GuangZhan Chem | China national standards | MT | 1114.94 | USD | 20251118 |
| Guangzhou Pulanni Chem | China national standards | MT | 903.24 | USD | 20251118 |
| Jinan Jinhao Chem | China national standards | MT | 1016.15 | USD | 20251118 |
| Jinan Jinhao Chem | China national standards | MT | 1030.26 | USD | 20251118 |
| WENTONG Potassium | China national standards | MT | 1100.82 | USD | 20251118 |
| Hubei 789 Chem | China national standards | MT | 776.22 | USD | 20251118 |
| Hubei 789 Chem | China national standards | MT | 776.22 | USD | 20251118 |