| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing WentongTech | China national standards | MT | 1094.08 | USD | 20251109 |
| Pingxiang Lixin BioTech | China national standards | MT | 1228.19 | USD | 20251109 |
| Pingxiang Lixin BioTech | 200 mesh | MT | 1115.25 | USD | 20251109 |
| WENTONG Potassium | China national standards | MT | 1087.02 | USD | 20251109 |
| Pingxiang Lixin BioTech | China national standards | MT | 1094.08 | USD | 20251109 |
| Shandong Jinshenrun Chem | China national standards | MT | 889.38 | USD | 20251109 |
| Shandong Jinshenrun Chem | China national standards | MT | 1030.55 | USD | 20251109 |
| Beijing WentongTech | China national standards | MT | 1087.02 | USD | 20251109 |
| Shandong Jinshenrun Chem | China national standards | MT | 1030.55 | USD | 20251109 |
| WENTONG Potassium | China national standards | MT | 1030.55 | USD | 20251109 |