| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20180514 |
| Unknown | China national standards | MT | 1430.0 | USD | 20180511 |
| Unknown | China national standards | MT | 980.0 | USD | 20180501 |
| Unknown | China national standards | MT | 230.0 | USD | 20180501 |
| Unknown | China national standards | MT | 1440.0 | USD | 20180501 |
| Unknown | China national standards | MT | 230.0 | USD | 20180501 |
| Unknown | China national standards | MT | 1190.0 | USD | 20180422 |
| Unknown | China national standards | MT | 1360.0 | USD | 20180421 |
| Unknown | China national standards | MT | 820.0 | USD | 20180421 |
| Unknown | China national standards | MT | 1240.0 | USD | 20180420 |