| Vendor | Spec | Unit | Price | Currency | Date |
| Shanxi Changlu Tech | China national standards | MT | 1028.91 | USD | 20251017 |
| Shandong Longhui Chem | China national standards | MT | 1043.0 | USD | 20251017 |
| Shandong Yushuo Chem | China national standards | MT | 958.43 | USD | 20251017 |
| Shanghai SKY Chem | China national standards | MT | 1106.43 | USD | 20251017 |
| Hubei 789 Chem | China national standards | MT | 775.2 | USD | 20251017 |
| Hubei 789 Chem | China national standards | MT | 775.2 | USD | 20251017 |
| Shandong Zhongke Taihua | China national standards | MT | 916.15 | USD | 20251017 |
| WENTONG Potassium | China national standards | MT | 1057.1 | USD | 20251017 |
| Shandong Zhongke Taihua | China national standards | MT | 1057.1 | USD | 20251017 |
| WENTONG Potassium | China national standards | MT | 1099.38 | USD | 20251017 |