| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1068.83 | USD | 20250922 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1068.83 | USD | 20250922 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1111.02 | USD | 20250922 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1237.59 | USD | 20250922 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |