| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 260.0 | USD | 20190414 |
| Unknown | China national standards | MT | 5120.0 | USD | 20190414 |
| Unknown | China national standards | MT | 1430.0 | USD | 20190414 |
| Unknown | China national standards | MT | 210.0 | USD | 20190413 |
| Unknown | China national standards | MT | 460.0 | USD | 20190413 |
| Unknown | China national standards | MT | 570.0 | USD | 20190412 |
| Unknown | China national standards | MT | 2520.0 | USD | 20190411 |
| Unknown | China national standards | MT | 210.0 | USD | 20190410 |
| Unknown | China national standards | MT | 2890.0 | USD | 20190410 |
| Unknown | China national standards | MT | 2890.0 | USD | 20190401 |