| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 760.0 | USD | 20190116 |
| Unknown | China national standards | MT | 2670.0 | USD | 20190115 |
| Unknown | China national standards | MT | 2060.0 | USD | 20190115 |
| Unknown | China national standards | MT | 430.0 | USD | 20190115 |
| Unknown | China national standards | MT | 410.0 | USD | 20190113 |
| Unknown | China national standards | MT | 2490.0 | USD | 20190111 |
| Unknown | China national standards | MT | 2890.0 | USD | 20190110 |
| Unknown | China national standards | MT | 2210.0 | USD | 20190110 |
| Unknown | China national standards | MT | 420.0 | USD | 20190101 |
| Unknown | China national standards | MT | 380.0 | USD | 20190101 |