| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1065.17 | USD | 20251027 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1072.22 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 775.95 | USD | 20251027 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1100.44 | USD | 20251027 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1044.0 | USD | 20251027 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1015.79 | USD | 20251027 |
| China national standards | MT | 1079.27 | USD | 20251027 | |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1072.22 | USD | 20251027 |