| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 610.0 | USD | 20191113 |
| Unknown | China national standards | MT | 4270.0 | USD | 20191112 |
| Unknown | China national standards | MT | 190.0 | USD | 20191111 |
| Unknown | China national standards | MT | 1330.0 | USD | 20191101 |
| Unknown | China national standards | MT | 360.0 | USD | 20191101 |
| Unknown | China national standards | MT | 50.0 | USD | 20191101 |
| Unknown | China national standards | MT | 1330.0 | USD | 20191018 |
| Unknown | China national standards | MT | 40.0 | USD | 20191017 |
| Unknown | China national standards | MT | 300.0 | USD | 20191014 |
| Unknown | China national standards | MT | 190.0 | USD | 20191012 |