| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 380.0 | USD | 20190722 |
| Unknown | China national standards | MT | 980.0 | USD | 20190721 |
| Unknown | China national standards | MT | 1200.0 | USD | 20190720 |
| Unknown | China national standards | MT | 750.0 | USD | 20190719 |
| Unknown | China national standards | MT | 730.0 | USD | 20190719 |
| Unknown | China national standards | MT | 940.0 | USD | 20190718 |
| Unknown | China national standards | MT | 9670.0 | USD | 20190718 |
| Unknown | China national standards | MT | 110.0 | USD | 20190718 |
| Unknown | China national standards | MT | 2610.0 | USD | 20190717 |
| Unknown | China national standards | MT | 1200.0 | USD | 20190717 |