| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1620.0 | USD | 20191119 |
| Unknown | China national standards | MT | 1650.0 | USD | 20191115 |
| Unknown | China national standards | MT | 230.0 | USD | 20191114 |
| Unknown | China national standards | MT | 7820.0 | USD | 20191113 |
| Unknown | China national standards | MT | 1110.0 | USD | 20191112 |
| Unknown | China national standards | MT | 1970.0 | USD | 20191111 |
| Unknown | China national standards | MT | 7780.0 | USD | 20191101 |
| Unknown | China national standards | MT | 280.0 | USD | 20191101 |
| Unknown | China national standards | MT | 1610.0 | USD | 20191101 |
| Unknown | China national standards | MT | 1100.0 | USD | 20191101 |