| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 220.0 | USD | 20190120 |
| Unknown | China national standards | MT | 1340.0 | USD | 20190119 |
| Unknown | China national standards | MT | 190.0 | USD | 20190119 |
| Unknown | China national standards | MT | 1530.0 | USD | 20190117 |
| Unknown | China national standards | MT | 1340.0 | USD | 20190116 |
| Unknown | China national standards | MT | 1250.0 | USD | 20190116 |
| Unknown | China national standards | MT | 1050.0 | USD | 20190113 |
| Unknown | China national standards | MT | 1250.0 | USD | 20190111 |
| Unknown | China national standards | MT | 1510.0 | USD | 20190101 |
| Unknown | China national standards | MT | 190.0 | USD | 20190101 |