| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing WentongTech | China national standards | MT | 958.18 | USD | 20251016 |
| Jinan Jinrihe Chem | China national standards | MT | 901.81 | USD | 20251016 |
| Jinan Jinrihe Chem | China national standards | MT | 901.81 | USD | 20251016 |
| Jinan Jinrihe Chem | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Yushuo Chem | China national standards | MT | 958.18 | USD | 20251016 |
| Hubei 789 Chem | China national standards | MT | 775.0 | USD | 20251016 |
| Hubei 789 Chem | China national standards | MT | 775.0 | USD | 20251016 |
| WENTONG Potassium | China national standards | MT | 1127.27 | USD | 20251016 |
| Jinan Aochen Chem | China national standards | MT | 1127.27 | USD | 20251016 |
| Jinan Aochen Chem | China national standards | MT | 1127.27 | USD | 20251016 |