| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 13210.0 | USD | 20190821 |
| Unknown | China national standards | MT | 57990.0 | USD | 20190820 |
| Unknown | China national standards | MT | 91010.0 | USD | 20190819 |
| Unknown | China national standards | MT | 91010.0 | USD | 20190819 |
| Unknown | China national standards | MT | 34120.0 | USD | 20190815 |
| Unknown | China national standards | MT | 28420.0 | USD | 20190813 |
| Unknown | China national standards | MT | 4140.0 | USD | 20190810 |
| Unknown | China national standards | MT | 26520.0 | USD | 20190810 |
| Unknown | China national standards | MT | 8610.0 | USD | 20190801 |
| Unknown | China national standards | MT | 3920.0 | USD | 20190801 |