| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium | China national standards | MT | 1031.16 | USD | 20251202 |
| Shandong Xima | China national standards | MT | 875.78 | USD | 20251202 |
| UniTrend China | China national standards | MT | 1080.6 | USD | 20251202 |
| Beijing WentongTech | China national standards | MT | 1087.66 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 1031.16 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 1031.16 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 918.16 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 918.16 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 987.37 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 987.37 | USD | 20251202 |