| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Jinan Jinrihe Chem | China national standards | MT | 901.14 | USD | 20251014 |
| Jinan Jinrihe Chem | China national standards | MT | 887.06 | USD | 20251014 |
| Jinan Jinrihe Chem | China national standards | MT | 943.38 | USD | 20251014 |
| Beijing WentongTech | China national standards | MT | 957.46 | USD | 20251014 |
| Jinan Jinrihe Chem | China national standards | MT | 901.14 | USD | 20251014 |
| Jinan Jinrihe Chem | China national standards | MT | 901.14 | USD | 20251014 |
| Jinan Jinrihe Chem | China national standards | MT | 915.22 | USD | 20251014 |
| Shanghai SKY Chem | China national standards | MT | 1105.31 | USD | 20251014 |
| WENTONG Potassium | China national standards | MT | 1027.86 | USD | 20251014 |