| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 8900.0 | USD | 20190117 |
| Unknown | China national standards | MT | 8890.0 | USD | 20190116 |
| Unknown | China national standards | MT | 1290.0 | USD | 20190115 |
| Unknown | China national standards | MT | 4010.0 | USD | 20190114 |
| Unknown | China national standards | MT | 27510.0 | USD | 20190112 |
| Unknown | China national standards | MT | 27220.0 | USD | 20190101 |
| Unknown | China national standards | MT | 1270.0 | USD | 20190101 |
| Unknown | China national standards | MT | 1310.0 | USD | 20181221 |
| Unknown | China national standards | MT | 2980.0 | USD | 20181221 |
| Unknown | China national standards | MT | 2970.0 | USD | 20181218 |