| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2020.0 | USD | 20191118 |
| Unknown | China national standards | MT | 2020.0 | USD | 20191117 |
| Unknown | China national standards | MT | 290.0 | USD | 20191113 |
| Unknown | China national standards | MT | 1770.0 | USD | 20191112 |
| Unknown | China national standards | MT | 250.0 | USD | 20191101 |
| Unknown | China national standards | MT | 1720.0 | USD | 20191101 |
| Unknown | China national standards | MT | 1760.0 | USD | 20191101 |
| Unknown | China national standards | MT | 280.0 | USD | 20191101 |
| Unknown | China national standards | MT | 240.0 | USD | 20191101 |
| Unknown | China national standards | MT | 1720.0 | USD | 20191101 |