| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shanghai SKY Chem | China national standards | MT | 1082.25 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Jinan Jinrihe Chem | China national standards | MT | 988.88 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 1032.74 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Longhui Chem | China national standards | MT | 1032.74 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 891.27 | USD | 20251211 |
| WENTONG Potassium | China national standards | MT | 1032.74 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 1032.74 | USD | 20251211 |