| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1150.0 | USD | 20180415 |
| Unknown | China national standards | MT | 100.0 | USD | 20180414 |
| Unknown | China national standards | MT | 100.0 | USD | 20180414 |
| Unknown | China national standards | MT | 1090.0 | USD | 20180411 |
| Unknown | China national standards | MT | 170.0 | USD | 20180411 |
| Unknown | China national standards | MT | 130.0 | USD | 20180410 |
| Unknown | China national standards | MT | 620.0 | USD | 20180410 |
| Unknown | China national standards | MT | 130.0 | USD | 20180410 |
| Unknown | China national standards | MT | 180.0 | USD | 20180401 |
| Unknown | China national standards | MT | 100.0 | USD | 20180401 |