| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 957.01 | USD | 20250930 |
| Shandong Xima | China national standards | MT | 872.56 | USD | 20250930 |
| Shandong Qiangsen Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Zhongke Taihua | China national standards | MT | 914.78 | USD | 20250930 |
| WENTONG Potassium | China national standards | MT | 1055.52 | USD | 20250930 |
| Shandong Zhongke Taihua | China national standards | MT | 1055.52 | USD | 20250930 |
| Shandong Jinshenrun Chem | China national standards | MT | 886.64 | USD | 20250930 |
| Beijing WentongTech | China national standards | MT | 1083.67 | USD | 20250930 |