| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 340.0 | USD | 20180401 |
| Unknown | China national standards | MT | 760.0 | USD | 20180401 |
| Unknown | China national standards | MT | 500.0 | USD | 20180323 |
| Unknown | China national standards | MT | 3510.0 | USD | 20180322 |
| Unknown | China national standards | MT | 490.0 | USD | 20180321 |
| Unknown | China national standards | MT | 6210.0 | USD | 20180319 |
| Unknown | China national standards | MT | 4750.0 | USD | 20180319 |
| Unknown | China national standards | MT | 1050.0 | USD | 20180319 |
| Unknown | China national standards | MT | 210.0 | USD | 20180319 |
| Unknown | China national standards | MT | 500.0 | USD | 20180319 |