| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 901.47 | USD | 20251015 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1014.16 | USD | 20251015 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1267.69 | USD | 20251015 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1098.67 | USD | 20251015 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |