| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | China national standards | MT | 1072.31 | USD | 20251121 |
| Pingxiang Lixin BioTech | China national standards | MT | 1227.51 | USD | 20251121 |
| Guangzhou Pulanni Chem | China national standards | MT | 903.0 | USD | 20251121 |
| WENTONG Potassium | China national standards | MT | 1100.53 | USD | 20251121 |
| Jinan Jinhao Chem | China national standards | MT | 1029.98 | USD | 20251121 |
| Jinan Jinhao Chem | China national standards | MT | 1015.87 | USD | 20251121 |
| WENTONG Potassium | China national standards | MT | 959.44 | USD | 20251121 |
| Shandong Yuanhe Chem | China national standards | MT | 987.65 | USD | 20251121 |
| Liao Jinxinda | China national standards | MT | 874.78 | USD | 20251121 |
| Shandong Yuanhe Chem | China national standards | MT | 959.44 | USD | 20251121 |