| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1680.0 | USD | 20180520 |
| Unknown | China national standards | MT | 1620.0 | USD | 20180520 |
| Unknown | China national standards | MT | 1620.0 | USD | 20180520 |
| Unknown | China national standards | MT | 270.0 | USD | 20180518 |
| Unknown | China national standards | MT | 1620.0 | USD | 20180518 |
| Unknown | China national standards | MT | 260.0 | USD | 20180517 |
| Unknown | China national standards | MT | 250.0 | USD | 20180515 |
| Unknown | China national standards | MT | 270.0 | USD | 20180515 |
| Unknown | China national standards | MT | 260.0 | USD | 20180515 |
| Unknown | China national standards | MT | 1700.0 | USD | 20180511 |