| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium | China national standards | MT | 1127.87 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 1127.87 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 1127.87 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 1127.87 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 1099.68 | USD | 20251021 |
| ZJ Dayang Biotech | 200 mesh | MT | 1127.87 | USD | 20251021 |
| Shandong Zhongke Taihua | China national standards | MT | 916.4 | USD | 20251021 |
| WENTONG Potassium | China national standards | MT | 1057.38 | USD | 20251021 |
| Shandong Zhongke Taihua | China national standards | MT | 1057.38 | USD | 20251021 |
| Shandong Yushuo Chem | China national standards | MT | 958.69 | USD | 20251021 |