| Vendor | Spec | Unit | Price | Currency | Date |
| Shanxi Changlu Tech | China national standards | MT | 1031.76 | USD | 20251210 |
| Pingxiang Lixin BioTech | China national standards | MT | 1081.23 | USD | 20251210 |
| Pingxiang Lixin BioTech | China national standards | MT | 1088.29 | USD | 20251210 |
| Baozhen Shandong Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Xiangyang Youdeshi Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Hunan Lixin Tech | China national standards | MT | 1017.34 | USD | 20251209 |
| Beijing WentongTech | China national standards | MT | 1087.99 | USD | 20251209 |
| WENTONG Potassium | China national standards | MT | 1130.37 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1130.37 | USD | 20251209 |
| Shanxi Changlu Tech | China national standards | MT | 1087.99 | USD | 20251209 |