| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 890.28 | USD | 20251208 |
| Hubei 789 Chem | China national standards | MT | 777.23 | USD | 20251208 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.2 | USD | 20251208 |
| WENTONG Potassium | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Zhongke Taihua | China national standards | MT | 918.55 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1130.52 | USD | 20251208 |
| Beijing WentongTech | China national standards | MT | 1088.12 | USD | 20251208 |
| Xiamen Yudeshun Chem | China national standards | MT | 1271.83 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 918.55 | USD | 20251208 |