| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3750.0 | USD | 20180601 |
| Unknown | China national standards | MT | 4030.0 | USD | 20180601 |
| Unknown | China national standards | MT | 5710.0 | USD | 20180523 |
| Unknown | China national standards | MT | 3110.0 | USD | 20180523 |
| Unknown | China national standards | MT | 1350.0 | USD | 20180522 |
| Unknown | China national standards | MT | 970.0 | USD | 20180522 |
| Unknown | China national standards | MT | 5660.0 | USD | 20180522 |
| Unknown | China national standards | MT | 6110.0 | USD | 20180522 |
| Unknown | China national standards | MT | 5420.0 | USD | 20180522 |
| Unknown | China national standards | MT | 6100.0 | USD | 20180521 |