| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 70.0 | USD | 20180523 |
| Unknown | China national standards | MT | 380.0 | USD | 20180522 |
| Unknown | China national standards | MT | 70.0 | USD | 20180522 |
| Unknown | China national standards | MT | 60.0 | USD | 20180522 |
| Unknown | China national standards | MT | 70.0 | USD | 20180521 |
| Unknown | China national standards | MT | 420.0 | USD | 20180520 |
| Unknown | China national standards | MT | 370.0 | USD | 20180520 |
| Unknown | China national standards | MT | 60.0 | USD | 20180520 |
| Unknown | China national standards | MT | 60.0 | USD | 20180520 |
| Unknown | China national standards | MT | 70.0 | USD | 20180520 |