| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 130.0 | USD | 20190122 |
| Unknown | China national standards | MT | 870.0 | USD | 20190121 |
| Unknown | China national standards | MT | 120.0 | USD | 20190118 |
| Unknown | China national standards | MT | 140.0 | USD | 20190117 |
| Unknown | China national standards | MT | 830.0 | USD | 20190113 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190112 |
| Unknown | China national standards | MT | 870.0 | USD | 20190101 |
| Unknown | China national standards | MT | 120.0 | USD | 20190101 |
| Unknown | China national standards | MT | 150.0 | USD | 20190101 |
| Unknown | China national standards | MT | 120.0 | USD | 20190101 |