| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing WentongTech | China national standards | MT | 1088.35 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1130.76 | USD | 20251205 |
| Hunan Lixin Tech | China national standards | MT | 1088.35 | USD | 20251205 |
| Jinan Jinrihe Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Shandong Zhongke Taihua | China national standards | MT | 1060.09 | USD | 20251205 |
| Hunan Lixin Tech | China national standards | MT | 1017.68 | USD | 20251205 |
| Jinan Jinhao Chem | China national standards | MT | 1017.68 | USD | 20251205 |
| Jinan Jinrihe Chem | China national standards | MT | 918.74 | USD | 20251205 |
| WENTONG Potassium | China national standards | MT | 1130.76 | USD | 20251205 |
| Wuhan Hengjiu Chem | China national standards | MT | 777.4 | USD | 20251205 |