| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 680.0 | USD | 20190716 |
| Unknown | China national standards | MT | 420.0 | USD | 20190715 |
| Unknown | China national standards | MT | 110.0 | USD | 20190714 |
| Unknown | China national standards | MT | 680.0 | USD | 20190714 |
| Unknown | China national standards | MT | 100.0 | USD | 20190713 |
| Unknown | China national standards | MT | 90.0 | USD | 20190713 |
| Unknown | China national standards | MT | 100.0 | USD | 20190712 |
| Unknown | China national standards | MT | 120.0 | USD | 20190712 |
| Unknown | China national standards | MT | 650.0 | USD | 20190701 |
| Unknown | China national standards | MT | 3780.0 | USD | 20190701 |