| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 150.0 | USD | 20190301 |
| Unknown | China national standards | MT | 1650.0 | USD | 20190301 |
| Unknown | China national standards | MT | 740.0 | USD | 20190223 |
| Unknown | China national standards | MT | 620.0 | USD | 20190223 |
| Unknown | China national standards | MT | 120.0 | USD | 20190223 |
| Unknown | China national standards | MT | 90.0 | USD | 20190223 |
| Unknown | China national standards | MT | 110.0 | USD | 20190223 |
| Unknown | China national standards | MT | 780.0 | USD | 20190222 |
| Unknown | China national standards | MT | 650.0 | USD | 20190222 |
| Unknown | China national standards | MT | 90.0 | USD | 20190222 |