| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Lixin Tech | China national standards | MT | 1016.15 | USD | 20251118 |
| Shandong Longhui Chem | China national standards | MT | 1044.37 | USD | 20251118 |
| Jinan Aochen Chem | China national standards | MT | 1129.05 | USD | 20251118 |
| WENTONG Potassium | China national standards | MT | 1129.05 | USD | 20251118 |
| Shanxi Changlu Tech | China national standards | MT | 1030.26 | USD | 20251118 |
| Hunan Lixin Tech | China national standards | MT | 1058.48 | USD | 20251118 |
| Jinan Jinhao Chem | China national standards | MT | 1016.15 | USD | 20251118 |
| Jinan Aochen Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Jinan Aochen Chem | China national standards | MT | 1129.05 | USD | 20251118 |
| Shanghai SKY Chem | China national standards | MT | 1065.54 | USD | 20251118 |