| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1001.68 | USD | 20251027 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251026 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1029.21 | USD | 20251026 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 958.72 | USD | 20251026 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251026 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 930.52 | USD | 20251026 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251026 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1092.66 | USD | 20251026 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1015.11 | USD | 20251026 |