| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1029.21 | USD | 20251024 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.51 | USD | 20251024 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1015.11 | USD | 20251024 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251024 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 902.32 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1099.71 | USD | 20251024 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 916.42 | USD | 20251024 |