| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 300.0 | USD | 20190921 |
| Unknown | China national standards | MT | 1750.0 | USD | 20190920 |
| Unknown | China national standards | MT | 3720.0 | USD | 20190920 |
| Unknown | China national standards | MT | 1940.0 | USD | 20190919 |
| Unknown | China national standards | MT | 1740.0 | USD | 20190918 |
| Unknown | China national standards | MT | 260.0 | USD | 20190917 |
| Unknown | China national standards | MT | 450.0 | USD | 20190917 |
| Unknown | China national standards | MT | 430.0 | USD | 20190917 |
| Unknown | China national standards | MT | 820.0 | USD | 20190917 |
| Unknown | China national standards | MT | 2040.0 | USD | 20190916 |