| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua | China national standards | MT | 918.74 | USD | 20251205 |
| WENTONG Potassium | China national standards | MT | 1102.49 | USD | 20251205 |
| Shandong Jinshenrun Chem | China national standards | MT | 1032.05 | USD | 20251204 |
| Shandong Jinshenrun Chem | China national standards | MT | 1032.05 | USD | 20251204 |
| Beijing WentongTech | China national standards | MT | 1074.46 | USD | 20251204 |
| Hubei 789 Chem | China national standards | MT | 777.57 | USD | 20251204 |
| Shanxi Changlu Tech | China national standards | MT | 1032.05 | USD | 20251204 |
| Hubei 789 Chem | China national standards | MT | 777.57 | USD | 20251204 |
| Shandong Jinshenrun Chem | China national standards | MT | 890.67 | USD | 20251204 |
| UniTrend China | China national standards | MT | 1046.19 | USD | 20251204 |