| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chem | China national standards | MT | 1759.37 | USD | 20251012 |
| Shanghai Ronghe Chem | China national standards | MT | 1759.37 | USD | 20251011 |
| Shanghai Ronghe Chem | China national standards | MT | 1759.37 | USD | 20251010 |
| Shanghai Ronghe Chem | China national standards | MT | 1758.04 | USD | 20251009 |
| Shanghai Ronghe Chem | China national standards | MT | 1759.2 | USD | 20251008 |
| Shanghai Ronghe Chem | China national standards | MT | 1759.2 | USD | 20251003 |
| Shanghai Ronghe Chem | China national standards | MT | 1758.36 | USD | 20250929 |
| Shanghai Ronghe Chem | China national standards | MT | 1756.8 | USD | 20250928 |
| Shanghai Ronghe Chem | China national standards | MT | 1756.8 | USD | 20250927 |
| Shanghai Ronghe Chem | China national standards | MT | 1756.8 | USD | 20250926 |