| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 11310.0 | USD | 20180720 |
| Unknown | China national standards | MT | 11410.0 | USD | 20180719 |
| Unknown | China national standards | MT | 1770.0 | USD | 20180719 |
| Unknown | China national standards | MT | 1800.0 | USD | 20180710 |
| Unknown | China national standards | MT | 1750.0 | USD | 20180701 |
| Unknown | China national standards | MT | 11170.0 | USD | 20180701 |
| Unknown | China national standards | MT | 12770.0 | USD | 20180621 |
| Unknown | China national standards | MT | 13030.0 | USD | 20180619 |
| Unknown | China national standards | MT | 11340.0 | USD | 20180619 |
| Unknown | China national standards | MT | 11340.0 | USD | 20180619 |