| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1062.66 | USD | 20251012 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1083.77 | USD | 20251012 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1224.52 | USD | 20251012 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1062.66 | USD | 20251012 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1090.81 | USD | 20251012 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1083.77 | USD | 20251012 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1083.77 | USD | 20251012 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251011 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1069.7 | USD | 20251011 |