| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 27550.0 | USD | 20190819 |
| Unknown | China national standards | MT | 4010.0 | USD | 20190818 |
| Unknown | China national standards | MT | 3930.0 | USD | 20190816 |
| Unknown | China national standards | MT | 27610.0 | USD | 20190816 |
| Unknown | China national standards | MT | 27120.0 | USD | 20190815 |
| Unknown | China national standards | MT | 3940.0 | USD | 20190811 |
| Unknown | China national standards | MT | 27170.0 | USD | 20190811 |
| Unknown | China national standards | MT | 4080.0 | USD | 20190801 |
| Unknown | China national standards | MT | 4010.0 | USD | 20190801 |
| Unknown | China national standards | MT | 28160.0 | USD | 20190801 |