| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1300.0 | USD | 20180801 |
| Unknown | China national standards | MT | 190.0 | USD | 20180801 |
| Unknown | China national standards | MT | 200.0 | USD | 20180723 |
| Unknown | China national standards | MT | 200.0 | USD | 20180723 |
| Unknown | China national standards | MT | 200.0 | USD | 20180722 |
| Unknown | China national standards | MT | 1290.0 | USD | 20180722 |
| Unknown | China national standards | MT | 270.0 | USD | 20180721 |
| Unknown | China national standards | MT | 270.0 | USD | 20180721 |
| Unknown | China national standards | MT | 200.0 | USD | 20180720 |
| Unknown | China national standards | MT | 200.0 | USD | 20180720 |