| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2110.0 | USD | 20190301 |
| Unknown | China national standards | MT | 15700.0 | USD | 20190222 |
| Unknown | China national standards | MT | 30.0 | USD | 20190222 |
| Unknown | China national standards | MT | 290.0 | USD | 20190222 |
| Unknown | China national standards | MT | 460.0 | USD | 20190221 |
| Unknown | China national standards | MT | 200.0 | USD | 20190221 |
| Unknown | China national standards | MT | 460.0 | USD | 20190220 |
| Unknown | China national standards | MT | 2920.0 | USD | 20190220 |
| Unknown | China national standards | MT | 2090.0 | USD | 20190220 |
| Unknown | China national standards | MT | 80.0 | USD | 20190219 |