| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 969.75 | USD | 20250928 |
| Baozhen Shandong Chem | China national standards | MT | 1096.24 | USD | 20250928 |
| Baozhen Shandong Chem | China national standards | MT | 969.75 | USD | 20250928 |
| Shanxi Changlu Tech | China national standards | MT | 1096.24 | USD | 20250928 |
| Baozhen Shandong Chem | China national standards | MT | 1096.24 | USD | 20250928 |
| Baozhen Shandong Chem | China national standards | MT | 997.86 | USD | 20250928 |
| WENTONG Potassium | China national standards | MT | 1054.08 | USD | 20250928 |
| Shandong Zhongke Taihua | China national standards | MT | 913.54 | USD | 20250928 |
| Shandong Zhongke Taihua | China national standards | MT | 1054.08 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 1096.24 | USD | 20250928 |