| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 890.0 | USD | 20180301 |
| Unknown | China national standards | MT | 900.0 | USD | 20180301 |
| Unknown | China national standards | MT | 5840.0 | USD | 20180222 |
| Unknown | China national standards | MT | 1050.0 | USD | 20180220 |
| Unknown | China national standards | MT | 950.0 | USD | 20180219 |
| Unknown | China national standards | MT | 5850.0 | USD | 20180218 |
| Unknown | China national standards | MT | 790.0 | USD | 20180218 |
| Unknown | China national standards | MT | 6720.0 | USD | 20180216 |
| Unknown | China national standards | MT | 5590.0 | USD | 20180213 |
| Unknown | China national standards | MT | 6700.0 | USD | 20180211 |