| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Hunan Lixin Shengshi New Material Technology Co., Ltd. | China national standards | MT | 1015.79 | USD | 20251027 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 959.35 | 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 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1029.9 | USD | 20251027 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1100.44 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1100.44 | USD | 20251027 |