| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 890.0 | USD | 20190219 |
| Unknown | China national standards | MT | 1340.0 | USD | 20190218 |
| Unknown | China national standards | MT | 580.0 | USD | 20190216 |
| Unknown | China national standards | MT | 4070.0 | USD | 20190215 |
| Unknown | China national standards | MT | 4430.0 | USD | 20190215 |
| Unknown | China national standards | MT | 640.0 | USD | 20190215 |
| Unknown | China national standards | MT | 580.0 | USD | 20190214 |
| Unknown | China national standards | MT | 2280.0 | USD | 20190211 |
| Unknown | China national standards | MT | 6190.0 | USD | 20190210 |
| Unknown | China national standards | MT | 6190.0 | USD | 20190201 |