| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 220.0 | USD | 20181001 |
| Unknown | China national standards | MT | 250.0 | USD | 20180923 |
| Unknown | China national standards | MT | 260.0 | USD | 20180921 |
| Unknown | China national standards | MT | 1760.0 | USD | 20180921 |
| Unknown | China national standards | MT | 1750.0 | USD | 20180920 |
| Unknown | China national standards | MT | 1620.0 | USD | 20180918 |
| Unknown | China national standards | MT | 1490.0 | USD | 20180918 |
| Unknown | China national standards | MT | 250.0 | USD | 20180916 |
| Unknown | China national standards | MT | 250.0 | USD | 20180916 |
| Unknown | China national standards | MT | 1680.0 | USD | 20180914 |