| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1265.72 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 871.94 | USD | 20250922 |
| China national standards | MT | 1103.99 | USD | 20250922 | |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |