| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 540.0 | USD | 20190910 |
| Unknown | China national standards | MT | 3690.0 | USD | 20190901 |
| Unknown | China national standards | MT | 540.0 | USD | 20190901 |
| Unknown | China national standards | MT | 3270.0 | USD | 20190901 |
| Unknown | China national standards | MT | 3700.0 | USD | 20190821 |
| Unknown | China national standards | MT | 540.0 | USD | 20190819 |
| Unknown | China national standards | MT | 840.0 | USD | 20190819 |
| Unknown | China national standards | MT | 3710.0 | USD | 20190810 |
| Unknown | China national standards | MT | 5920.0 | USD | 20190801 |
| Unknown | China national standards | MT | 5920.0 | USD | 20190801 |