| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3460.0 | USD | 20190117 |
| Unknown | China national standards | MT | 23830.0 | USD | 20190115 |
| Unknown | China national standards | MT | 22930.0 | USD | 20190111 |
| Unknown | China national standards | MT | 25250.0 | USD | 20190101 |
| Unknown | China national standards | MT | 23450.0 | USD | 20190101 |
| Unknown | China national standards | MT | 24510.0 | USD | 20190101 |
| Unknown | China national standards | MT | 22380.0 | USD | 20190101 |
| Unknown | China national standards | MT | 25250.0 | USD | 20190101 |
| Unknown | China national standards | MT | 3410.0 | USD | 20190101 |
| Unknown | China national standards | MT | 3250.0 | USD | 20190101 |