| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 1081.23 | USD | 20251210 |
| Baozhen Shandong Chem | China national standards | MT | 1088.29 | USD | 20251210 |
| Baozhen Shandong Chem | China national standards | MT | 1003.49 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Baozhen Shandong Chem | China national standards | MT | 1003.49 | USD | 20251210 |
| Pingxiang Lixin BioTech | China national standards | MT | 1243.76 | USD | 20251210 |
| Shandong Jinshenrun Chem | China national standards | MT | 1031.76 | USD | 20251210 |
| Baozhen Shandong Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| WENTONG Potassium | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Jinshenrun Chem | China national standards | MT | 890.42 | USD | 20251210 |