| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing WentongTech | China national standards | MT | 1086.71 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 1030.26 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 1030.26 | USD | 20251118 |
| Jinan Jinrihe Chem | China national standards | MT | 903.24 | USD | 20251118 |
| WENTONG Potassium | China national standards | MT | 1058.48 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 889.13 | USD | 20251118 |
| UniTrend China | China national standards | MT | 1065.54 | USD | 20251118 |
| Beijing WentongTech | China national standards | MT | 1072.6 | USD | 20251118 |
| Jinan Jinrihe Chem | China national standards | MT | 903.24 | USD | 20251118 |
| Jinan Jinrihe Chem | China national standards | MT | 903.24 | USD | 20251118 |