| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 955.7 | USD | 20250927 |
| Shandong Huize Chem | China national standards | MT | 899.48 | USD | 20250926 |
| Hubei 789 Chem | China national standards | MT | 772.99 | USD | 20250926 |
| Hubei 789 Chem | China national standards | MT | 772.99 | USD | 20250926 |
| WENTONG Potassium | China national standards | MT | 1124.35 | USD | 20250926 |
| Jinan Aochen Chem | China national standards | MT | 1124.35 | USD | 20250926 |
| Jinan Aochen Chem | China national standards | MT | 1124.35 | USD | 20250926 |
| Jinan Aochen Chem | China national standards | MT | 1124.35 | USD | 20250926 |
| Jinan Aochen Chem | China national standards | MT | 1096.24 | USD | 20250926 |
| Baozhen Shandong Chem | China national standards | MT | 997.86 | USD | 20250926 |