| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 180.0 | USD | 20180314 |
| Unknown | China national standards | MT | 220.0 | USD | 20180313 |
| Unknown | China national standards | MT | 1140.0 | USD | 20180312 |
| Unknown | China national standards | MT | 1160.0 | USD | 20180312 |
| Unknown | China national standards | MT | 180.0 | USD | 20180312 |
| Unknown | China national standards | MT | 180.0 | USD | 20180311 |
| Unknown | China national standards | MT | 180.0 | USD | 20180310 |
| Unknown | China national standards | MT | 1140.0 | USD | 20180301 |
| Unknown | China national standards | MT | 1120.0 | USD | 20180301 |
| Unknown | China national standards | MT | 1380.0 | USD | 20180301 |