| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1440.0 | USD | 20190416 |
| Unknown | China national standards | MT | 4890.0 | USD | 20190413 |
| Unknown | China national standards | MT | 1430.0 | USD | 20190412 |
| Unknown | China national standards | MT | 300.0 | USD | 20190412 |
| Unknown | China national standards | MT | 4900.0 | USD | 20190411 |
| Unknown | China national standards | MT | 730.0 | USD | 20190401 |
| Unknown | China national standards | MT | 4890.0 | USD | 20190401 |
| Unknown | China national standards | MT | 4900.0 | USD | 20190401 |
| Unknown | China national standards | MT | 9650.0 | USD | 20190401 |
| Unknown | China national standards | MT | 730.0 | USD | 20190401 |