| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7780.0 | USD | 20180701 |
| Unknown | China national standards | MT | 6470.0 | USD | 20180701 |
| Unknown | China national standards | MT | 4570.0 | USD | 20180622 |
| Unknown | China national standards | MT | 720.0 | USD | 20180619 |
| Unknown | China national standards | MT | 4610.0 | USD | 20180619 |
| Unknown | China national standards | MT | 860.0 | USD | 20180618 |
| Unknown | China national standards | MT | 880.0 | USD | 20180618 |
| Unknown | China national standards | MT | 720.0 | USD | 20180616 |
| Unknown | China national standards | MT | 890.0 | USD | 20180616 |
| Unknown | China national standards | MT | 5650.0 | USD | 20180615 |