| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Kaixiang Chem | China national standards | MT | 1068.5 | USD | 20250920 |
| Henan Kaixiang Chem | China national standards | MT | 1068.5 | USD | 20250919 |
| Henan Kaixiang Chem | China national standards | MT | 1068.5 | USD | 20250919 |
| Henan Kaixiang Chem | China national standards | MT | 1069.14 | USD | 20250918 |
| Henan Kaixiang Chem | China national standards | MT | 1069.14 | USD | 20250918 |