| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Lixin Shengshi New Material Technology Co., Ltd. | China national standards | MT | 1014.47 | USD | 20251020 |
| Hunan Lixin Shengshi New Material Technology Co., Ltd. | China national standards | MT | 1063.78 | USD | 20251020 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 915.84 | USD | 20251020 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 873.57 | USD | 20251020 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1014.47 | USD | 20251020 |
| Pingxiang Lixin Biochemical High Tech Co., Ltd. | China national standards | MT | 1063.78 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1000.38 | USD | 20251020 |