| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 872.98 | USD | 20251014 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 873.15 | USD | 20251013 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 872.65 | USD | 20251011 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 872.65 | USD | 20251010 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 871.99 | USD | 20251009 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 872.56 | USD | 20250930 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 872.15 | USD | 20250929 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 871.37 | USD | 20250928 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 871.37 | USD | 20250926 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 872.54 | USD | 20250925 |