| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1070.0 | USD | 20191117 |
| Unknown | China national standards | MT | 3800.0 | USD | 20191117 |
| Unknown | China national standards | MT | 1360.0 | USD | 20191117 |
| Unknown | China national standards | MT | 260.0 | USD | 20191116 |
| Unknown | China national standards | MT | 1810.0 | USD | 20191115 |
| Unknown | China national standards | MT | 7570.0 | USD | 20191114 |
| Unknown | China national standards | MT | 9650.0 | USD | 20191113 |
| Unknown | China national standards | MT | 2860.0 | USD | 20191113 |
| Unknown | China national standards | MT | 3810.0 | USD | 20191111 |
| Unknown | China national standards | MT | 1370.0 | USD | 20191110 |