| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 15970.0 | USD | 20191001 |
| Unknown | China national standards | MT | 1040.0 | USD | 20191001 |
| Unknown | China national standards | MT | 120.0 | USD | 20190923 |
| Unknown | China national standards | MT | 17390.0 | USD | 20190923 |
| Unknown | China national standards | MT | 670.0 | USD | 20190922 |
| Unknown | China national standards | MT | 130.0 | USD | 20190920 |
| Unknown | China national standards | MT | 130.0 | USD | 20190917 |
| Unknown | China national standards | MT | 840.0 | USD | 20190917 |
| Unknown | China national standards | MT | 2470.0 | USD | 20190916 |
| Unknown | China national standards | MT | 930.0 | USD | 20190916 |