| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3440.0 | USD | 20190819 |
| Unknown | China national standards | MT | 21430.0 | USD | 20190818 |
| Unknown | China national standards | MT | 21420.0 | USD | 20190817 |
| Unknown | China national standards | MT | 3180.0 | USD | 20190816 |
| Unknown | China national standards | MT | 22190.0 | USD | 20190816 |
| Unknown | China national standards | MT | 3120.0 | USD | 20190815 |
| Unknown | China national standards | MT | 21060.0 | USD | 20190815 |
| Unknown | China national standards | MT | 21710.0 | USD | 20190815 |
| Unknown | China national standards | MT | 3220.0 | USD | 20190814 |
| Unknown | China national standards | MT | 21430.0 | USD | 20190813 |