| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 90.0 | USD | 20190120 |
| Unknown | China national standards | MT | 650.0 | USD | 20190119 |
| Unknown | China national standards | MT | 150.0 | USD | 20190118 |
| Unknown | China national standards | MT | 620.0 | USD | 20190117 |
| Unknown | China national standards | MT | 620.0 | USD | 20190116 |
| Unknown | China national standards | MT | 2540.0 | USD | 20190114 |
| Unknown | China national standards | MT | 4490.0 | USD | 20190114 |
| Unknown | China national standards | MT | 2530.0 | USD | 20190113 |
| Unknown | China national standards | MT | 620.0 | USD | 20190113 |
| Unknown | China national standards | MT | 640.0 | USD | 20190113 |