| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 971.08 | USD | 20250930 |
| ZJ Dayang Biotech | 200 mesh | MT | 1125.89 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 957.01 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shanghai SKY Chem | China national standards | MT | 1104.78 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1097.74 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| WENTONG Potassium | China national standards | MT | 1125.89 | USD | 20250930 |