| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3910.0 | USD | 20180220 |
| Unknown | China national standards | MT | 3880.0 | USD | 20180212 |
| Unknown | China national standards | MT | 3570.0 | USD | 20180201 |
| Unknown | China national standards | MT | 3880.0 | USD | 20180201 |
| Unknown | China national standards | MT | 3570.0 | USD | 20180201 |
| Unknown | China national standards | MT | 590.0 | USD | 20180201 |
| Unknown | China national standards | MT | 590.0 | USD | 20180201 |
| Unknown | China national standards | MT | 560.0 | USD | 20180201 |
| Unknown | China national standards | MT | 590.0 | USD | 20180201 |
| Unknown | China national standards | MT | 590.0 | USD | 20180201 |