| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1065.17 | USD | 20251027 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1015.79 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1086.33 | USD | 20251027 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 902.92 | USD | 20251027 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 888.81 | USD | 20251027 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1227.41 | USD | 20251027 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1064.46 | USD | 20251026 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1015.11 | USD | 20251026 |