| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 40930.0 | USD | 20190801 |
| Unknown | China national standards | MT | 11150.0 | USD | 20190723 |
| Unknown | China national standards | MT | 680.0 | USD | 20190723 |
| Unknown | China national standards | MT | 1270.0 | USD | 20190722 |
| Unknown | China national standards | MT | 11160.0 | USD | 20190722 |
| Unknown | China national standards | MT | 8730.0 | USD | 20190722 |
| Unknown | China national standards | MT | 4720.0 | USD | 20190720 |
| Unknown | China national standards | MT | 1270.0 | USD | 20190720 |
| Unknown | China national standards | MT | 680.0 | USD | 20190718 |
| Unknown | China national standards | MT | 20530.0 | USD | 20190716 |