| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 770.0 | USD | 20191101 |
| Unknown | China national standards | MT | 130.0 | USD | 20191101 |
| Unknown | China national standards | MT | 100.0 | USD | 20191019 |
| Unknown | China national standards | MT | 730.0 | USD | 20191018 |
| Unknown | China national standards | MT | 730.0 | USD | 20191017 |
| Unknown | China national standards | MT | 100.0 | USD | 20191017 |
| Unknown | China national standards | MT | 140.0 | USD | 20191016 |
| Unknown | China national standards | MT | 100.0 | USD | 20191016 |
| Unknown | China national standards | MT | 130.0 | USD | 20191015 |
| Unknown | China national standards | MT | 1000.0 | USD | 20191014 |