| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Chem | China national standards | MT | 985.12 | USD | 20250923 |
| Shanghai SKY Chem | China national standards | MT | 1104.75 | USD | 20250923 |
| Shandong Huize Chem | China national standards | MT | 900.69 | USD | 20250923 |
| Jinan Aochen Chem | China national standards | MT | 1097.71 | USD | 20250923 |
| Jinan Aochen Chem | China national standards | MT | 1125.86 | USD | 20250923 |
| Qinghai Yanhu | China national standards | MT | 1125.86 | USD | 20250923 |
| WENTONG Potassium | China national standards | MT | 1125.86 | USD | 20250923 |
| Shandong Yushuo Chem | China national standards | MT | 956.98 | USD | 20250923 |
| UniTrend China | China national standards | MT | 1041.42 | USD | 20250923 |
| WENTONG Potassium | China national standards | MT | 1013.27 | USD | 20250923 |