| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1300.0 | USD | 20180320 |
| Unknown | China national standards | MT | 1510.0 | USD | 20180319 |
| Unknown | China national standards | MT | 1090.0 | USD | 20180317 |
| Unknown | China national standards | MT | 250.0 | USD | 20180315 |
| Unknown | China national standards | MT | 1910.0 | USD | 20180315 |
| Unknown | China national standards | MT | 170.0 | USD | 20180315 |
| Unknown | China national standards | MT | 220.0 | USD | 20180314 |
| Unknown | China national standards | MT | 210.0 | USD | 20180313 |
| Unknown | China national standards | MT | 1510.0 | USD | 20180312 |
| Unknown | China national standards | MT | 170.0 | USD | 20180312 |