| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3930.0 | USD | 20190119 |
| Unknown | China national standards | MT | 3860.0 | USD | 20190118 |
| Unknown | China national standards | MT | 600.0 | USD | 20190118 |
| Unknown | China national standards | MT | 3780.0 | USD | 20190117 |
| Unknown | China national standards | MT | 3080.0 | USD | 20190117 |
| Unknown | China national standards | MT | 580.0 | USD | 20190117 |
| Unknown | China national standards | MT | 570.0 | USD | 20190116 |
| Unknown | China national standards | MT | 3580.0 | USD | 20190115 |
| Unknown | China national standards | MT | 570.0 | USD | 20190115 |
| Unknown | China national standards | MT | 3580.0 | USD | 20190114 |