| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 120.0 | USD | 20190716 |
| Unknown | China national standards | MT | 150.0 | USD | 20190715 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190715 |
| Unknown | China national standards | MT | 110.0 | USD | 20190714 |
| Unknown | China national standards | MT | 130.0 | USD | 20190713 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190711 |
| Unknown | China national standards | MT | 130.0 | USD | 20190710 |
| Unknown | China national standards | MT | 730.0 | USD | 20190701 |
| Unknown | China national standards | MT | 990.0 | USD | 20190701 |
| Unknown | China national standards | MT | 800.0 | USD | 20190701 |