| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chem | China national standards | MT | 788.2 | USD | 20251011 |
| Shanghai Ronghe Chem | China national standards | MT | 788.2 | USD | 20251010 |
| Shanghai Ronghe Chem | China national standards | MT | 787.6 | USD | 20251009 |
| Shanghai Ronghe Chem | China national standards | MT | 788.12 | USD | 20251008 |
| Shanghai Ronghe Chem | China national standards | MT | 788.12 | USD | 20251003 |
| Shanghai Ronghe Chem | China national standards | MT | 787.74 | USD | 20250929 |
| Shanghai Ronghe Chem | China national standards | MT | 787.05 | USD | 20250928 |
| Shanghai Ronghe Chem | China national standards | MT | 787.05 | USD | 20250927 |
| Shanghai Ronghe Chem | China national standards | MT | 787.05 | USD | 20250926 |
| Shanghai Ronghe Chem | China national standards | MT | 788.1 | USD | 20250925 |