| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1131.01 | USD | 20251204 |
| Beijing WentongTech | China national standards | MT | 1109.81 | USD | 20251204 |
| ZJ Dayang Biotech | 200 mesh | MT | 1131.01 | USD | 20251204 |
| WENTONG Potassium | China national standards | MT | 961.36 | USD | 20251204 |
| Xiangyang Youdeshi Chem | China national standards | MT | 989.64 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 777.57 | USD | 20251204 |
| Shandong Xima | China national standards | MT | 876.54 | USD | 20251204 |
| Hunan Lixin Tech | China national standards | MT | 1081.53 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 1131.01 | USD | 20251204 |
| WENTONG Potassium | China national standards | MT | 1131.01 | USD | 20251204 |