| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 13720.0 | USD | 20190116 |
| Unknown | China national standards | MT | 67990.0 | USD | 20190115 |
| Unknown | China national standards | MT | 71360.0 | USD | 20190114 |
| Unknown | China national standards | MT | 13740.0 | USD | 20190114 |
| Unknown | China national standards | MT | 86080.0 | USD | 20190112 |
| Unknown | China national standards | MT | 70990.0 | USD | 20190111 |
| Unknown | China national standards | MT | 86080.0 | USD | 20190111 |
| Unknown | China national standards | MT | 69410.0 | USD | 20190101 |
| Unknown | China national standards | MT | 14610.0 | USD | 20190101 |
| Unknown | China national standards | MT | 10200.0 | USD | 20190101 |