| Vendor | Spec | Unit | Price | Currency | Date |
| Xintai Zhengda | China national standards | MT | 440.3 | USD | 20260428 |
| Xintai Zhengda | China national standards | MT | 440.37 | USD | 20260427 |
| Xintai Zhengda | China national standards | MT | USD | 20260415 | |
| Xintai Zhengda | China national standards | MT | USD | 20260414 | |
| Xintai Zhengda | China national standards | MT | USD | 20260410 | |
| Xintai Zhengda | China national standards | MT | USD | 20260403 | |
| Xintai Zhengda | China national standards | MT | USD | 20260402 | |
| Xintai Zhengda | China national standards | MT | USD | 20260402 | |
| Xintai Zhengda | China national standards | MT | USD | 20260330 | |
| Xintai Zhengda | China national standards | MT | USD | 20260330 |