| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | 200 mesh | MT | 1113.1 | USD | 20251020 |
| WENTONG Potassium | China national standards | MT | 1084.92 | USD | 20251020 |
| Pingxiang Lixin BioTech | China national standards | MT | 1014.47 | USD | 20251020 |
| Wuhan Hengjiu Chem | China national standards | MT | 1000.38 | USD | 20251020 |
| Wuhan Hengjiu Chem | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Jinshenrun Chem | China national standards | MT | 887.96 | USD | 20251019 |
| Beijing WentongTech | China national standards | MT | 1085.29 | USD | 20251019 |
| Shandong Jinshenrun Chem | China national standards | MT | 1028.91 | USD | 20251019 |
| Shandong Jinshenrun Chem | China national standards | MT | 1028.91 | USD | 20251019 |
| WENTONG Potassium | China national standards | MT | 1028.91 | USD | 20251019 |