| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| 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 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210322 | |
| Unknown | China national standards | MT | USD | 20210321 |
