| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Tianyi Chem | Agricultural Grade | MT | USD | 20260413 | |
| Shandong Tianyi Chem | Agricultural Grade | MT | USD | 20260408 | |
| Shandong Tianyi Chem | Agricultural Grade | MT | USD | 20260317 | |
| Shandong Tianyi Chem | Agricultural Grade | MT | USD | 20260303 | |
| Shandong Tianyi Chem | Agricultural Grade | MT | USD | 20260224 | |
| Shandong Tianyi Chem | Agricultural Grade | MT | USD | 20260211 | |
| Shandong Tianyi Chem | Agricultural Grade | MT | USD | 20260205 | |
| Shandong Tianyi Chem | Agricultural Grade | MT | USD | 20260123 | |
| Shandong Tianyi Chem | China national standards | MT | USD | 20260106 | |
| Shandong Tianyi Chem | China national standards | MT | USD | 20251231 |