| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1085.21 | USD | 20251022 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1092.26 | USD | 20251022 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.48 | USD | 20251021 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1085.58 | USD | 20251021 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1015.09 | USD | 20251021 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.48 | USD | 20251021 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1064.43 | USD | 20251021 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.58 | USD | 20251021 |