| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 1015.11 | USD | 20251024 |
| Jinan Jinhao Chem | China national standards | MT | 1029.21 | USD | 20251024 |
| WENTONG Potassium | China national standards | MT | 1099.71 | USD | 20251024 |
| Baozhen Shandong Chem | China national standards | MT | 958.72 | USD | 20251024 |
| Baozhen Shandong Chem | China national standards | MT | 1057.41 | USD | 20251024 |
| Jinan Jinrihe Chem | China national standards | MT | 902.32 | USD | 20251024 |
| Jinan Jinrihe Chem | China national standards | MT | 888.22 | USD | 20251024 |
| Jinan Jinrihe Chem | China national standards | MT | 944.62 | USD | 20251024 |
| Beijing WentongTech | China national standards | MT | 958.72 | USD | 20251024 |
| Jinan Jinrihe Chem | China national standards | MT | 902.32 | USD | 20251024 |