| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 60.0 | USD | 20181101 |
| Unknown | China national standards | MT | 6630.0 | USD | 20181101 |
| Unknown | China national standards | MT | 420.0 | USD | 20181023 |
| Unknown | China national standards | MT | 420.0 | USD | 20181022 |
| Unknown | China national standards | MT | 460.0 | USD | 20181020 |
| Unknown | China national standards | MT | 180.0 | USD | 20181019 |
| Unknown | China national standards | MT | 170.0 | USD | 20181015 |
| Unknown | China national standards | MT | 60.0 | USD | 20181001 |
| Unknown | China national standards | MT | 30.0 | USD | 20181001 |
| Unknown | China national standards | MT | 70.0 | USD | 20181001 |