| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 460.0 | USD | 20190621 |
| Unknown | China national standards | MT | 460.0 | USD | 20190621 |
| Unknown | China national standards | MT | 3740.0 | USD | 20190619 |
| Unknown | China national standards | MT | 3050.0 | USD | 20190619 |
| Unknown | China national standards | MT | 260.0 | USD | 20190617 |
| Unknown | China national standards | MT | 1840.0 | USD | 20190617 |
| Unknown | China national standards | MT | 270.0 | USD | 20190616 |
| Unknown | China national standards | MT | 260.0 | USD | 20190615 |
| Unknown | China national standards | MT | 3740.0 | USD | 20190614 |
| Unknown | China national standards | MT | 1950.0 | USD | 20190613 |