| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 330.0 | USD | 20180820 |
| Unknown | China national standards | MT | 300.0 | USD | 20180819 |
| Unknown | China national standards | MT | 2090.0 | USD | 20180818 |
| Unknown | China national standards | MT | 2050.0 | USD | 20180818 |
| Unknown | China national standards | MT | 2150.0 | USD | 20180817 |
| Unknown | China national standards | MT | 310.0 | USD | 20180817 |
| Unknown | China national standards | MT | 300.0 | USD | 20180816 |
| Unknown | China national standards | MT | 2120.0 | USD | 20180816 |
| Unknown | China national standards | MT | 310.0 | USD | 20180815 |
| Unknown | China national standards | MT | 2150.0 | USD | 20180815 |