| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 18010.0 | USD | 20190301 |
| Unknown | China national standards | MT | 15590.0 | USD | 20190301 |
| Unknown | China national standards | MT | 13490.0 | USD | 20190221 |
| Unknown | China national standards | MT | 18370.0 | USD | 20190220 |
| Unknown | China national standards | MT | 115170.0 | USD | 20190219 |
| Unknown | China national standards | MT | 20250.0 | USD | 20190219 |
| Unknown | China national standards | MT | 124120.0 | USD | 20190217 |
| Unknown | China national standards | MT | 13910.0 | USD | 20190216 |
| Unknown | China national standards | MT | 16610.0 | USD | 20190215 |
| Unknown | China national standards | MT | 17420.0 | USD | 20190215 |