| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 970.0 | USD | 20181012 |
| Unknown | China national standards | MT | 150.0 | USD | 20181011 |
| Unknown | China national standards | MT | 1010.0 | USD | 20181010 |
| Unknown | China national standards | MT | 140.0 | USD | 20181001 |
| Unknown | China national standards | MT | 730.0 | USD | 20180923 |
| Unknown | China national standards | MT | 940.0 | USD | 20180922 |
| Unknown | China national standards | MT | 150.0 | USD | 20180922 |
| Unknown | China national standards | MT | 160.0 | USD | 20180921 |
| Unknown | China national standards | MT | 890.0 | USD | 20180921 |
| Unknown | China national standards | MT | 1080.0 | USD | 20180921 |