| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3970.0 | USD | 20190519 |
| Unknown | China national standards | MT | 120.0 | USD | 20190518 |
| Unknown | China national standards | MT | 7710.0 | USD | 20190518 |
| Unknown | China national standards | MT | 960.0 | USD | 20190517 |
| Unknown | China national standards | MT | 880.0 | USD | 20190517 |
| Unknown | China national standards | MT | 340.0 | USD | 20190516 |
| Unknown | China national standards | MT | 890.0 | USD | 20190516 |
| Unknown | China national standards | MT | 120.0 | USD | 20190516 |
| Unknown | China national standards | MT | 5940.0 | USD | 20190516 |
| Unknown | China national standards | MT | 520.0 | USD | 20190515 |