| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 12520.0 | USD | 20190323 |
| Unknown | China national standards | MT | 370.0 | USD | 20190323 |
| Unknown | China national standards | MT | 8980.0 | USD | 20190321 |
| Unknown | China national standards | MT | 60410.0 | USD | 20190320 |
| Unknown | China national standards | MT | 84430.0 | USD | 20190319 |
| Unknown | China national standards | MT | 280.0 | USD | 20190315 |
| Unknown | China national standards | MT | 84290.0 | USD | 20190315 |
| Unknown | China national standards | MT | 370.0 | USD | 20190314 |
| Unknown | China national standards | MT | 8930.0 | USD | 20190311 |
| Unknown | China national standards | MT | 1910.0 | USD | 20190310 |