| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 14280.0 | USD | 20180721 |
| Unknown | China national standards | MT | 13780.0 | USD | 20180720 |
| Unknown | China national standards | MT | 14480.0 | USD | 20180714 |
| Unknown | China national standards | MT | 6280.0 | USD | 20180712 |
| Unknown | China national standards | MT | 14390.0 | USD | 20180712 |
| Unknown | China national standards | MT | 14500.0 | USD | 20180711 |
| Unknown | China national standards | MT | 2180.0 | USD | 20180710 |
| Unknown | China national standards | MT | 2260.0 | USD | 20180701 |
| Unknown | China national standards | MT | 2250.0 | USD | 20180701 |
| Unknown | China national standards | MT | 40660.0 | USD | 20180701 |