| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 170.0 | USD | 20180301 |
| Unknown | China national standards | MT | 210.0 | USD | 20180301 |
| Unknown | China national standards | MT | 1360.0 | USD | 20180222 |
| Unknown | China national standards | MT | 200.0 | USD | 20180222 |
| Unknown | China national standards | MT | 200.0 | USD | 20180221 |
| Unknown | China national standards | MT | 210.0 | USD | 20180221 |
| Unknown | China national standards | MT | 1360.0 | USD | 20180220 |
| Unknown | China national standards | MT | 1450.0 | USD | 20180220 |
| Unknown | China national standards | MT | 170.0 | USD | 20180220 |
| Unknown | China national standards | MT | 170.0 | USD | 20180219 |