| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 1003.77 | USD | 20251204 |
| Pingxiang Lixin BioTech | China national standards | MT | 1088.6 | USD | 20251204 |
| WENTONG Potassium | China national standards | MT | 1060.33 | USD | 20251204 |
| Shandong Xima | China national standards | MT | 876.54 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.64 | USD | 20251204 |
| Shandong Zhongke Taihua | China national standards | MT | 918.95 | USD | 20251204 |
| Pingxiang Lixin BioTech | China national standards | MT | 1244.12 | USD | 20251204 |
| Shanxi Changlu Tech | China national standards | MT | 1032.05 | USD | 20251204 |
| Pingxiang Lixin BioTech | China national standards | MT | 1081.53 | USD | 20251204 |
| Pingxiang Lixin BioTech | China national standards | MT | 1088.6 | USD | 20251204 |