| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 943.02 | USD | 20251010 |
| Jinan Jinrihe Chem | China national standards | MT | 886.72 | USD | 20251010 |
| Jinan Jinrihe Chem | China national standards | MT | 900.8 | USD | 20251010 |
| Shandong Zhongke Taihua | China national standards | MT | 914.87 | USD | 20251010 |
| WENTONG Potassium | China national standards | MT | 1055.62 | USD | 20251010 |
| Shandong Zhongke Taihua | China national standards | MT | 1055.62 | USD | 20251010 |
| Guangzhou Pulanni Chem | China national standards | MT | 900.8 | USD | 20251010 |
| Shanxi Changlu Tech | China national standards | MT | 1027.47 | USD | 20251010 |
| Shandong Longhui Chem | China national standards | MT | 1041.55 | USD | 20251010 |
| Jinan Aochen Chem | China national standards | MT | 1097.85 | USD | 20251010 |