| Vendor | Spec | Unit | Price | Currency | Date |
| JS Yangnong Chem | China national standards | MT | 855.01 | USD | 20251201 |
| JS Yangnong Chem | China national standards | MT | 854.65 | USD | 20251128 |
| JS Yangnong Chem | China national standards | MT | 854.77 | USD | 20251127 |
| JS Yangnong Chem | China national standards | MT | 854.57 | USD | 20251126 |
| JS Yangnong Chem | China national standards | MT | 854.21 | USD | 20251125 |
| JS Yangnong Chem | China national standards | MT | 854.21 | USD | 20251125 |
| JS Yangnong Chem | China national standards | MT | 1694.29 | USD | 20251125 |
| JS Yangnong Chem | China national standards | MT | 853.95 | USD | 20251124 |
| JS Yangnong Chem | China national standards | MT | 853.62 | USD | 20251121 |
| JS Yangnong Chem | China national standards | MT | 853.25 | USD | 20251120 |