| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1360.0 | USD | 20180616 |
| Unknown | China national standards | MT | 220.0 | USD | 20180615 |
| Unknown | China national standards | MT | 230.0 | USD | 20180612 |
| Unknown | China national standards | MT | 1440.0 | USD | 20180610 |
| Unknown | China national standards | MT | 200.0 | USD | 20180601 |
| Unknown | China national standards | MT | 220.0 | USD | 20180601 |
| Unknown | China national standards | MT | 1230.0 | USD | 20180601 |
| Unknown | China national standards | MT | 1440.0 | USD | 20180601 |
| Unknown | China national standards | MT | 160.0 | USD | 20180519 |
| Unknown | China national standards | MT | 970.0 | USD | 20180516 |