| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 918.22 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 987.44 | USD | 20251130 |
| WENTONG Potassium | China national standards | MT | 932.35 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 889.97 | USD | 20251130 |
| Beijing WentongTech | China national standards | MT | 1087.74 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 1031.23 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 932.35 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 932.35 | USD | 20251130 |
| Pingxiang Lixin BioTech | China national standards | MT | 1017.11 | USD | 20251130 |
| WENTONG Potassium | China national standards | MT | 1031.23 | USD | 20251130 |