| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 27400.0 | USD | 20190416 |
| Unknown | China national standards | MT | 4080.0 | USD | 20190415 |
| Unknown | China national standards | MT | 90.0 | USD | 20190415 |
| Unknown | China national standards | MT | 120.0 | USD | 20190414 |
| Unknown | China national standards | MT | 150.0 | USD | 20190414 |
| Unknown | China national standards | MT | 90.0 | USD | 20190414 |
| Unknown | China national standards | MT | 160.0 | USD | 20190413 |
| Unknown | China national standards | MT | 4490.0 | USD | 20190413 |
| Unknown | China national standards | MT | 960.0 | USD | 20190413 |
| Unknown | China national standards | MT | 160.0 | USD | 20190412 |