| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1088.29 | USD | 20251210 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1074.16 | USD | 20251210 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1081.23 | USD | 20251210 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1088.29 | USD | 20251210 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 918.69 | USD | 20251210 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1060.03 | USD | 20251210 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1088.29 | USD | 20251210 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 1060.03 | USD | 20251210 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1243.76 | USD | 20251210 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1088.29 | USD | 20251210 |