| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 916.09 | USD | 20251022 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1099.3 | USD | 20251022 |
| Hunan Lixin Shengshi New Material Technology Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 901.99 | USD | 20251022 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1071.12 | USD | 20251022 |
| Hunan Lixin Shengshi New Material Technology Co., Ltd. | China national standards | MT | 1057.02 | USD | 20251022 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| Guangzhou Pulanni Chemical Co., Ltd. | China national standards | MT | 901.99 | USD | 20251022 |