| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 845.62 | USD | 20251022 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 845.9 | USD | 20251021 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 845.39 | USD | 20251020 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 845.68 | USD | 20251017 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 859.54 | USD | 20251016 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 859.22 | USD | 20251015 |
| 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 |