| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 130.0 | USD | 20190222 |
| Unknown | China national standards | MT | 880.0 | USD | 20190221 |
| Unknown | China national standards | MT | 860.0 | USD | 20190220 |
| Unknown | China national standards | MT | 130.0 | USD | 20190220 |
| Unknown | China national standards | MT | 4440.0 | USD | 20190219 |
| Unknown | China national standards | MT | 130.0 | USD | 20190218 |
| Unknown | China national standards | MT | 130.0 | USD | 20190218 |
| Unknown | China national standards | MT | 130.0 | USD | 20190217 |
| Unknown | China national standards | MT | 4450.0 | USD | 20190215 |
| Unknown | China national standards | MT | 870.0 | USD | 20190214 |