| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua | China national standards | MT | 917.11 | USD | 20251121 |
| UniTrend China | China national standards | MT | 1079.37 | USD | 20251121 |
| Shandong Jinshenrun Chem | China national standards | MT | 1029.98 | USD | 20251121 |
| Pingxiang Lixin BioTech | China national standards | MT | 1015.87 | USD | 20251121 |
| WENTONG Potassium | China national standards | MT | 1086.42 | USD | 20251121 |
| Pingxiang Lixin BioTech | China national standards | MT | 1156.97 | USD | 20251121 |
| Pingxiang Lixin BioTech | China national standards | MT | 1072.31 | USD | 20251121 |
| Guangzhou Pulanni Chem | China national standards | MT | 903.0 | USD | 20251121 |
| Shandong Yuanhe Chem | China national standards | MT | 959.44 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 1128.75 | USD | 20251121 |