| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | China national standards | MT | 1100.58 | USD | 20251119 |
| Pingxiang Lixin BioTech | China national standards | MT | 1114.69 | USD | 20251119 |
| Shandong Zhongke Taihua | China national standards | MT | 1058.25 | USD | 20251119 |
| Liao Jinxinda | China national standards | MT | 874.82 | USD | 20251119 |
| Pingxiang Lixin BioTech | China national standards | MT | 1015.92 | USD | 20251119 |
| WENTONG Potassium | China national standards | MT | 1058.25 | USD | 20251119 |
| Wuhan Hengjiu Chem | China national standards | MT | 1001.81 | USD | 20251119 |
| Wuhan Hengjiu Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Shandong Zhongke Taihua | China national standards | MT | 917.15 | USD | 20251119 |
| Liao Jinxinda | China national standards | MT | 874.82 | USD | 20251119 |