| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Lixin Shengshi New Material Technology Co., Ltd. | China national standards | MT | 1070.5 | USD | 20251015 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1000.07 | USD | 20251015 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1056.41 | USD | 20251015 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 1056.41 | USD | 20251015 |
| China national standards | MT | 1105.71 | USD | 20251015 | |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1000.07 | USD | 20251015 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 873.3 | USD | 20251015 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 774.7 | USD | 20251015 |