| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 520.0 | USD | 20180501 |
| Unknown | China national standards | MT | 30.0 | USD | 20180501 |
| Unknown | China national standards | MT | 50.0 | USD | 20180422 |
| Unknown | China national standards | MT | 130.0 | USD | 20180422 |
| Unknown | China national standards | MT | 50.0 | USD | 20180421 |
| Unknown | China national standards | MT | 210.0 | USD | 20180421 |
| Unknown | China national standards | MT | 50.0 | USD | 20180420 |
| Unknown | China national standards | MT | 30.0 | USD | 20180419 |
| Unknown | China national standards | MT | 40.0 | USD | 20180419 |
| Unknown | China national standards | MT | 180.0 | USD | 20180418 |