| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Beijing WentongTech | China national standards | MT | 1088.2 | USD | 20251201 |
| Hunan Lixin Tech | China national standards | MT | 1081.13 | USD | 20251201 |
| WENTONG Potassium | China national standards | MT | 1102.33 | USD | 20251201 |
| Shanghai SKY Chem | China national standards | MT | 1081.13 | USD | 20251201 |
| Hunan Lixin Tech | China national standards | MT | 1017.54 | USD | 20251201 |
| Xiamen Yudeshun Chem | China national standards | MT | 1271.92 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 1088.2 | USD | 20251201 |
| Xiamen Yudeshun Chem | China national standards | MT | 1271.92 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 975.14 | USD | 20251201 |