| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 8980.0 | USD | 20190601 |
| Unknown | China national standards | MT | 9270.0 | USD | 20190601 |
| Unknown | China national standards | MT | 55430.0 | USD | 20190522 |
| Unknown | China national standards | MT | 8490.0 | USD | 20190518 |
| Unknown | China national standards | MT | 8390.0 | USD | 20190511 |
| Unknown | China national standards | MT | 8610.0 | USD | 20190510 |
| Unknown | China national standards | MT | 8470.0 | USD | 20190501 |
| Unknown | China national standards | MT | 58330.0 | USD | 20190501 |
| Unknown | China national standards | MT | 56840.0 | USD | 20190501 |
| Unknown | China national standards | MT | 58330.0 | USD | 20190501 |