| Vendor | Spec | Unit | Price | Currency | Date |
| Henan LanenChem | China national standards | MT | 177.33 | USD | 20251005 |
| Henan LanenChem | China national standards | MT | 177.33 | USD | 20250930 |
| Henan LanenChem | China national standards | MT | 236.44 | USD | 20250930 |
| Henan LanenChem | China national standards | MT | 177.24 | USD | 20250929 |
| Henan LanenChem | China national standards | MT | 236.32 | USD | 20250929 |
| Henan LanenChem | China national standards | MT | 177.09 | USD | 20250928 |
| Henan LanenChem | China national standards | MT | 236.11 | USD | 20250928 |