| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 330.0 | USD | 20190623 |
| Unknown | China national standards | MT | 1830.0 | USD | 20190623 |
| Unknown | China national standards | MT | 190.0 | USD | 20190622 |
| Unknown | China national standards | MT | 2540.0 | USD | 20190622 |
| Unknown | China national standards | MT | 350.0 | USD | 20190622 |
| Unknown | China national standards | MT | 3470.0 | USD | 20190622 |
| Unknown | China national standards | MT | 3290.0 | USD | 20190622 |
| Unknown | China national standards | MT | 3590.0 | USD | 20190621 |
| Unknown | China national standards | MT | 1250.0 | USD | 20190620 |
| Unknown | China national standards | MT | 2520.0 | USD | 20190619 |