| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 5380.0 | USD | 20180301 |
| Unknown | China national standards | MT | 5820.0 | USD | 20180301 |
| Unknown | China national standards | MT | 35800.0 | USD | 20180223 |
| Unknown | China national standards | MT | 5280.0 | USD | 20180220 |
| Unknown | China national standards | MT | 35830.0 | USD | 20180220 |
| Unknown | China national standards | MT | 33510.0 | USD | 20180219 |
| Unknown | China national standards | MT | 33510.0 | USD | 20180216 |
| Unknown | China national standards | MT | 5920.0 | USD | 20180215 |
| Unknown | China national standards | MT | 33470.0 | USD | 20180214 |
| Unknown | China national standards | MT | 5280.0 | USD | 20180214 |