| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 763.94 | USD | 20251211 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 763.22 | USD | 20251210 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 784.2 | USD | 20251209 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 784.3 | USD | 20251208 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 784.46 | USD | 20251205 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 784.64 | USD | 20251204 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 784.41 | USD | 20251203 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 783.96 | USD | 20251202 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 791.42 | USD | 20251201 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 798.15 | USD | 20251128 |