| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20190912 |
| Unknown | China national standards | MT | 190.0 | USD | 20190911 |
| Unknown | China national standards | MT | 1320.0 | USD | 20190901 |
| Unknown | China national standards | MT | 1120.0 | USD | 20190901 |
| Unknown | China national standards | MT | 1130.0 | USD | 20190901 |
| Unknown | China national standards | MT | 1120.0 | USD | 20190901 |
| Unknown | China national standards | MT | 160.0 | USD | 20190823 |
| Unknown | China national standards | MT | 170.0 | USD | 20190823 |
| Unknown | China national standards | MT | 1160.0 | USD | 20190819 |
| Unknown | China national standards | MT | 160.0 | USD | 20190817 |