| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 230.0 | USD | 20180801 |
| Unknown | China national standards | MT | 310.0 | USD | 20180801 |
| Unknown | China national standards | MT | 2040.0 | USD | 20180801 |
| Unknown | China national standards | MT | 2360.0 | USD | 20180801 |
| Unknown | China national standards | MT | 320.0 | USD | 20180723 |
| Unknown | China national standards | MT | 290.0 | USD | 20180723 |
| Unknown | China national standards | MT | 2190.0 | USD | 20180722 |
| Unknown | China national standards | MT | 2190.0 | USD | 20180722 |
| Unknown | China national standards | MT | 340.0 | USD | 20180721 |
| Unknown | China national standards | MT | 2520.0 | USD | 20180720 |