| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 480480.0 | USD | 20180223 |
| Unknown | China national standards | MT | 74720.0 | USD | 20180223 |
| Unknown | China national standards | MT | 481130.0 | USD | 20180221 |
| Unknown | China national standards | MT | 74780.0 | USD | 20180221 |
| Unknown | China national standards | MT | 74750.0 | USD | 20180219 |
| Unknown | China national standards | MT | 74820.0 | USD | 20180217 |
| Unknown | China national standards | MT | 481130.0 | USD | 20180216 |
| Unknown | China national standards | MT | 481320.0 | USD | 20180215 |
| Unknown | China national standards | MT | 484590.0 | USD | 20180212 |
| Unknown | China national standards | MT | 75320.0 | USD | 20180212 |