| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 1041.55 | USD | 20251011 |
| Beijing WentongTech | China national standards | MT | 1083.77 | USD | 20251011 |
| WENTONG Potassium | China national standards | MT | 1013.4 | USD | 20251011 |
| Shanghai SKY Chem | China national standards | MT | 1104.89 | USD | 20251011 |
| Shandong Zhongke Taihua | China national standards | MT | 1055.62 | USD | 20251011 |
| WENTONG Potassium | China national standards | MT | 1055.62 | USD | 20251011 |
| Shandong Zhongke Taihua | China national standards | MT | 914.87 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 900.8 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 900.8 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 886.72 | USD | 20251011 |