| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1020.0 | USD | 20190801 |
| Unknown | China national standards | MT | 650.0 | USD | 20190801 |
| Unknown | China national standards | MT | 650.0 | USD | 20190801 |
| Unknown | China national standards | MT | 670.0 | USD | 20190801 |
| Unknown | China national standards | MT | 220.0 | USD | 20190723 |
| Unknown | China national standards | MT | 420.0 | USD | 20190723 |
| Unknown | China national standards | MT | 740.0 | USD | 20190723 |
| Unknown | China national standards | MT | 680.0 | USD | 20190723 |
| Unknown | China national standards | MT | 680.0 | USD | 20190721 |
| Unknown | China national standards | MT | 110.0 | USD | 20190721 |