| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium | China national standards | MT | 1028.91 | USD | 20251018 |
| Shandong Jinshenrun Chem | China national standards | MT | 1028.91 | USD | 20251018 |
| Shandong Jinshenrun Chem | China national standards | MT | 1028.91 | USD | 20251018 |
| Beijing WentongTech | China national standards | MT | 1085.29 | USD | 20251018 |
| Shandong Jinshenrun Chem | China national standards | MT | 887.96 | USD | 20251018 |
| Shandong Yushuo Chem | China national standards | MT | 958.43 | USD | 20251018 |
| Pingxiang Lixin BioTech | China national standards | MT | 1014.81 | USD | 20251018 |
| Pingxiang Lixin BioTech | China national standards | MT | 1071.19 | USD | 20251018 |
| Pingxiang Lixin BioTech | China national standards | MT | 1064.14 | USD | 20251018 |
| Pingxiang Lixin BioTech | China national standards | MT | 1064.14 | USD | 20251018 |