| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 17820.0 | USD | 20190101 |
| Unknown | China national standards | MT | 13220.0 | USD | 20190101 |
| Unknown | China national standards | MT | 18850.0 | USD | 20181223 |
| Unknown | China national standards | MT | 15420.0 | USD | 20181219 |
| Unknown | China national standards | MT | 88930.0 | USD | 20181218 |
| Unknown | China national standards | MT | 19550.0 | USD | 20181218 |
| Unknown | China national standards | MT | 20440.0 | USD | 20181217 |
| Unknown | China national standards | MT | 107050.0 | USD | 20181217 |
| Unknown | China national standards | MT | 113130.0 | USD | 20181217 |
| Unknown | China national standards | MT | 12820.0 | USD | 20181216 |