| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 988.0 | USD | 20251205 |
| Hunan Lixin Tech | China national standards | MT | 1088.35 | USD | 20251205 |
| Shandong Yushuo Chem | China national standards | MT | 961.14 | USD | 20251205 |
| WENTONG Potassium | China national standards | MT | 1130.76 | USD | 20251205 |
| Jinan Jinhao Chem | China national standards | MT | 1031.82 | USD | 20251205 |
| Jinan Jinrihe Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Pingxiang Lixin BioTech | China national standards | MT | 1102.49 | USD | 20251205 |
| Shandong Jinshenrun Chem | China national standards | MT | 1031.82 | USD | 20251205 |
| Jinan Jinrihe Chem | China national standards | MT | 932.88 | USD | 20251205 |
| Liao Jinxinda | China national standards | MT | 876.34 | USD | 20251205 |