| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 26410.0 | USD | 20191012 |
| Unknown | China national standards | MT | 26580.0 | USD | 20191010 |
| Unknown | China national standards | MT | 27790.0 | USD | 20191001 |
| Unknown | China national standards | MT | 27790.0 | USD | 20191001 |
| Unknown | China national standards | MT | 27400.0 | USD | 20190921 |
| Unknown | China national standards | MT | 27710.0 | USD | 20190919 |
| Unknown | China national standards | MT | 3940.0 | USD | 20190918 |
| Unknown | China national standards | MT | 27740.0 | USD | 20190916 |
| Unknown | China national standards | MT | 3920.0 | USD | 20190916 |
| Unknown | China national standards | MT | 27370.0 | USD | 20190911 |