| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 457620.0 | USD | 20190521 |
| Unknown | China national standards | MT | 457210.0 | USD | 20190520 |
| Unknown | China national standards | MT | 68260.0 | USD | 20190517 |
| Unknown | China national standards | MT | 68010.0 | USD | 20190517 |
| Unknown | China national standards | MT | 453370.0 | USD | 20190516 |
| Unknown | China national standards | MT | 461370.0 | USD | 20190514 |
| Unknown | China national standards | MT | 455510.0 | USD | 20190514 |
| Unknown | China national standards | MT | 461800.0 | USD | 20190514 |
| Unknown | China national standards | MT | 451660.0 | USD | 20190513 |
| Unknown | China national standards | MT | 68960.0 | USD | 20190512 |