| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 600.0 | USD | 20190220 |
| Unknown | China national standards | MT | 90.0 | USD | 20190219 |
| Unknown | China national standards | MT | 130.0 | USD | 20190218 |
| Unknown | China national standards | MT | 100.0 | USD | 20190218 |
| Unknown | China national standards | MT | 610.0 | USD | 20190216 |
| Unknown | China national standards | MT | 620.0 | USD | 20190216 |
| Unknown | China national standards | MT | 710.0 | USD | 20190214 |
| Unknown | China national standards | MT | 590.0 | USD | 20190214 |
| Unknown | China national standards | MT | 710.0 | USD | 20190214 |
| Unknown | China national standards | MT | 90.0 | USD | 20190214 |