| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium | China national standards | MT | 1028.24 | USD | 20251015 |
| Jinan Jinrihe Chem | China national standards | MT | 915.56 | USD | 20251015 |
| Jinan Jinrihe Chem | China national standards | MT | 901.47 | USD | 20251015 |
| Jinan Jinrihe Chem | China national standards | MT | 901.47 | USD | 20251015 |
| Beijing WentongTech | China national standards | MT | 957.81 | USD | 20251015 |
| Jinan Jinrihe Chem | China national standards | MT | 943.73 | USD | 20251015 |
| Jinan Jinrihe Chem | China national standards | MT | 887.39 | USD | 20251015 |
| Jinan Jinrihe Chem | China national standards | MT | 901.47 | USD | 20251015 |
| Hunan Lixin Tech | China national standards | MT | 1070.5 | USD | 20251015 |
| Wuhan Hengjiu Chem | China national standards | MT | 985.98 | USD | 20251015 |