| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 18940.0 | USD | 20191001 |
| Unknown | China national standards | MT | 2680.0 | USD | 20191001 |
| Unknown | China national standards | MT | 20.0 | USD | 20190923 |
| Unknown | China national standards | MT | 5120.0 | USD | 20190922 |
| Unknown | China national standards | MT | 80.0 | USD | 20190922 |
| Unknown | China national standards | MT | 580.0 | USD | 20190921 |
| Unknown | China national standards | MT | 480.0 | USD | 20190921 |
| Unknown | China national standards | MT | 730.0 | USD | 20190920 |
| Unknown | China national standards | MT | 9060.0 | USD | 20190920 |
| Unknown | China national standards | MT | 70.0 | USD | 20190919 |