| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 969.75 | USD | 20250926 |
| Beijing WentongTech | China national standards | MT | 1068.14 | USD | 20250926 |
| Beijing WentongTech | China national standards | MT | 1068.14 | USD | 20250926 |
| Shanghai SKY Chem | China national standards | MT | 1103.27 | USD | 20250926 |
| Shandong Yushuo Chem | China national standards | MT | 955.7 | USD | 20250926 |
| Wuhan Hengjiu Chem | China national standards | MT | 983.81 | USD | 20250926 |
| WENTONG Potassium | China national standards | MT | 1054.08 | USD | 20250926 |
| Shandong Zhongke Taihua | China national standards | MT | 913.54 | USD | 20250926 |
| UniTrend China | China national standards | MT | 1103.27 | USD | 20250926 |
| Guangzhou Pulanni Chem | China national standards | MT | 899.48 | USD | 20250926 |