| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2920.0 | USD | 20180722 |
| Unknown | China national standards | MT | 18870.0 | USD | 20180721 |
| Unknown | China national standards | MT | 19140.0 | USD | 20180713 |
| Unknown | China national standards | MT | 2980.0 | USD | 20180711 |
| Unknown | China national standards | MT | 25680.0 | USD | 20180615 |
| Unknown | China national standards | MT | 25780.0 | USD | 20180611 |
| Unknown | China national standards | MT | 4050.0 | USD | 20180610 |
| Unknown | China national standards | MT | 4040.0 | USD | 20180601 |
| Unknown | China national standards | MT | 5700.0 | USD | 20180523 |
| Unknown | China national standards | MT | 17940.0 | USD | 20180519 |