| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 250.0 | USD | 20190118 |
| Unknown | China national standards | MT | 1700.0 | USD | 20190117 |
| Unknown | China national standards | MT | 260.0 | USD | 20190117 |
| Unknown | China national standards | MT | 1990.0 | USD | 20190116 |
| Unknown | China national standards | MT | 280.0 | USD | 20190116 |
| Unknown | China national standards | MT | 300.0 | USD | 20190115 |
| Unknown | China national standards | MT | 300.0 | USD | 20190112 |
| Unknown | China national standards | MT | 1800.0 | USD | 20190110 |
| Unknown | China national standards | MT | 1690.0 | USD | 20190110 |
| Unknown | China national standards | MT | 1860.0 | USD | 20190101 |