| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 918.22 | USD | 20251128 |
| WENTONG Potassium | China national standards | MT | 1031.23 | USD | 20251128 |
| Xiamen Yudeshun Chem | China national standards | MT | 1271.56 | USD | 20251127 |
| Jinan Jinrihe Chem | China national standards | MT | 918.35 | USD | 20251127 |
| Beijing WentongTech | China national standards | MT | 1087.89 | USD | 20251127 |
| Shandong Jinshenrun Chem | China national standards | MT | 890.09 | USD | 20251127 |
| Jinan Jinrihe Chem | China national standards | MT | 918.35 | USD | 20251127 |
| Jinan Jinrihe Chem | China national standards | MT | 987.58 | USD | 20251127 |
| Shandong Jinshenrun Chem | China national standards | MT | 1031.38 | USD | 20251127 |
| Jinan Jinrihe Chem | China national standards | MT | 918.35 | USD | 20251127 |