| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 110.0 | USD | 20190722 |
| Unknown | China national standards | MT | 6420.0 | USD | 20190720 |
| Unknown | China national standards | MT | 930.0 | USD | 20190719 |
| Unknown | China national standards | MT | 1060.0 | USD | 20190718 |
| Unknown | China national standards | MT | 740.0 | USD | 20190715 |
| Unknown | China national standards | MT | 6420.0 | USD | 20190714 |
| Unknown | China national standards | MT | 740.0 | USD | 20190713 |
| Unknown | China national standards | MT | 1060.0 | USD | 20190701 |
| Unknown | China national standards | MT | 7320.0 | USD | 20190701 |
| Unknown | China national standards | MT | 930.0 | USD | 20190701 |