| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | China national standards | MT | 1096.61 | USD | 20250920 |
| WENTONG Potassium | China national standards | MT | 1096.61 | USD | 20250920 |
| Pingxiang Lixin BioTech | 200 mesh | MT | 1110.67 | USD | 20250920 |
| Pingxiang Lixin BioTech | China national standards | MT | 1110.67 | USD | 20250920 |
| Wuhan Hengjiu Chem | China national standards | MT | 984.14 | USD | 20250920 |
| WENTONG Potassium | China national standards | MT | 1012.26 | USD | 20250920 |
| Shandong Jinshenrun Chem | China national standards | MT | 1054.44 | USD | 20250920 |
| Shandong Jinshenrun Chem | China national standards | MT | 885.73 | USD | 20250920 |
| Shandong Yushuo Chem | China national standards | MT | 956.02 | USD | 20250920 |
| UniTrend China | China national standards | MT | 1040.38 | USD | 20250920 |