| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 35730.0 | USD | 20190116 |
| Unknown | China national standards | MT | 3770.0 | USD | 20190115 |
| Unknown | China national standards | MT | 27970.0 | USD | 20190114 |
| Unknown | China national standards | MT | 27170.0 | USD | 20190114 |
| Unknown | China national standards | MT | 3940.0 | USD | 20190114 |
| Unknown | China national standards | MT | 27010.0 | USD | 20190113 |
| Unknown | China national standards | MT | 27820.0 | USD | 20190113 |
| Unknown | China national standards | MT | 27010.0 | USD | 20190111 |
| Unknown | China national standards | MT | 3880.0 | USD | 20190101 |
| Unknown | China national standards | MT | 3710.0 | USD | 20190101 |