| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Weifang Shengxing | Agricultural Grade | MT | USD | 20260106 | |
| Shifang Yufeng Chem | China national standards | MT | USD | 20260106 | |
| Tai'an Huayang | Agricultural Grade | MT | USD | 20260105 | |
| Lvliang Tianfeng | Agricultural Grade | MT | USD | 20260105 | |
| Shanxi Wojin | China national standards | MT | USD | 20260104 | |
| Linyi Zhongbo | Agricultural Grade | MT | USD | 20260104 | |
| Shandong Tianyi Chem | China national standards | MT | USD | 20251231 | |
| Shifang Yufeng Chem | China national standards | MT | USD | 20251229 | |
| Hunan Meiao Potassium | China national standards | MT | USD | 20251229 | |
| Shanxi Wojin | China national standards | MT | USD | 20251225 |
