| Vendor | Spec | Unit | Price | Currency | Date |
| UniTrend China | China national standards | MT | 1081.06 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1130.52 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 960.94 | USD | 20251208 |
| Jinan Jinhao Chem | China national standards | MT | 1017.47 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 1003.34 | USD | 20251208 |
| Hunan Lixin Tech | China national standards | MT | 1017.47 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 918.55 | USD | 20251208 |
| WENTONG Potassium | China national standards | MT | 1088.12 | USD | 20251208 |
| WENTONG Potassium | China national standards | MT | 960.94 | USD | 20251208 |
| Pingxiang Lixin BioTech | China national standards | MT | 1017.47 | USD | 20251208 |