| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1140.0 | USD | 20180616 |
| Unknown | China national standards | MT | 180.0 | USD | 20180615 |
| Unknown | China national standards | MT | 220.0 | USD | 20180613 |
| Unknown | China national standards | MT | 220.0 | USD | 20180612 |
| Unknown | China national standards | MT | 1660.0 | USD | 20180612 |
| Unknown | China national standards | MT | 1380.0 | USD | 20180611 |
| Unknown | China national standards | MT | 220.0 | USD | 20180610 |
| Unknown | China national standards | MT | 1220.0 | USD | 20180610 |
| Unknown | China national standards | MT | 220.0 | USD | 20180601 |
| Unknown | China national standards | MT | 1400.0 | USD | 20180601 |