| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 850.0 | USD | 20190713 |
| Unknown | China national standards | MT | 150.0 | USD | 20190712 |
| Unknown | China national standards | MT | 120.0 | USD | 20190711 |
| Unknown | China national standards | MT | 7500.0 | USD | 20190710 |
| Unknown | China national standards | MT | 960.0 | USD | 20190710 |
| Unknown | China national standards | MT | 140.0 | USD | 20190710 |
| Unknown | China national standards | MT | 140.0 | USD | 20190710 |
| Unknown | China national standards | MT | 840.0 | USD | 20190710 |
| Unknown | China national standards | MT | 990.0 | USD | 20190701 |
| Unknown | China national standards | MT | 960.0 | USD | 20190701 |