| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4030.0 | USD | 20190414 |
| Unknown | China national standards | MT | 590.0 | USD | 20190413 |
| Unknown | China national standards | MT | 4130.0 | USD | 20190413 |
| Unknown | China national standards | MT | 3640.0 | USD | 20190413 |
| Unknown | China national standards | MT | 3750.0 | USD | 20190413 |
| Unknown | China national standards | MT | 540.0 | USD | 20190412 |
| Unknown | China national standards | MT | 570.0 | USD | 20190412 |
| Unknown | China national standards | MT | 570.0 | USD | 20190411 |
| Unknown | China national standards | MT | 3840.0 | USD | 20190411 |
| Unknown | China national standards | MT | 580.0 | USD | 20190410 |