| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 832.67 | USD | 20251028 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 832.38 | USD | 20251027 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 831.83 | USD | 20251024 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 831.95 | USD | 20251023 |
| 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 |