| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |