| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1230.0 | USD | 20190117 |
| Unknown | China national standards | MT | 1260.0 | USD | 20190115 |
| Unknown | China national standards | MT | 1150.0 | USD | 20190115 |
| Unknown | China national standards | MT | 8690.0 | USD | 20190114 |
| Unknown | China national standards | MT | 8280.0 | USD | 20190113 |
| Unknown | China national standards | MT | 1330.0 | USD | 20190112 |
| Unknown | China national standards | MT | 1220.0 | USD | 20190110 |
| Unknown | China national standards | MT | 7880.0 | USD | 20190101 |
| Unknown | China national standards | MT | 1310.0 | USD | 20190101 |
| Unknown | China national standards | MT | 1240.0 | USD | 20190101 |