| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua | China national standards | MT | 1054.82 | USD | 20251009 |
| WENTONG Potassium | China national standards | MT | 1054.82 | USD | 20251009 |
| Shandong Zhongke Taihua | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Jinshenrun Chem | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Jinshenrun Chem | China national standards | MT | 1040.76 | USD | 20251009 |
| Shandong Jinshenrun Chem | China national standards | MT | 1040.76 | USD | 20251009 |
| Beijing WentongTech | China national standards | MT | 1082.95 | USD | 20251009 |
| WENTONG Potassium | China national standards | MT | 1012.63 | USD | 20251009 |
| ZJ Dayang Biotech | 200 mesh | MT | 1125.14 | USD | 20251009 |
| GuangZhan Chem | China national standards | MT | 1125.14 | USD | 20251009 |