| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 60.0 | USD | 20190923 |
| Unknown | China national standards | MT | 500.0 | USD | 20190923 |
| Unknown | China national standards | MT | 1020.0 | USD | 20190923 |
| Unknown | China national standards | MT | 60.0 | USD | 20190922 |
| Unknown | China national standards | MT | 2160.0 | USD | 20190922 |
| Unknown | China national standards | MT | 990.0 | USD | 20190921 |
| Unknown | China national standards | MT | 150.0 | USD | 20190920 |
| Unknown | China national standards | MT | 920.0 | USD | 20190920 |
| Unknown | China national standards | MT | 140.0 | USD | 20190917 |
| Unknown | China national standards | MT | 910.0 | USD | 20190917 |