| Vendor | Spec | Unit | Price | Currency | Date |
| Liao Jinxinda | China national standards | MT | 875.01 | USD | 20251118 |
| Jinan Angxin Chem | China national standards | MT | 1002.03 | USD | 20251118 |
| Shandong Qiangsen Chem | China national standards | MT | 776.22 | USD | 20251118 |
| Shandong Xima | China national standards | MT | 875.01 | USD | 20251118 |
| WENTONG Potassium | China national standards | MT | 1058.48 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 1030.26 | USD | 20251118 |
| Pingxiang Lixin BioTech | 200 mesh | MT | 1114.94 | USD | 20251118 |
| WENTONG Potassium | China national standards | MT | 1086.71 | USD | 20251118 |
| Pingxiang Lixin BioTech | China national standards | MT | 1086.71 | USD | 20251118 |
| Pingxiang Lixin BioTech | China national standards | MT | 1093.77 | USD | 20251118 |