| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20181220 |
| Unknown | China national standards | MT | 650.0 | USD | 20181218 |
| Unknown | China national standards | MT | 220.0 | USD | 20181218 |
| Unknown | China national standards | MT | 3670.0 | USD | 20181217 |
| Unknown | China national standards | MT | 730.0 | USD | 20181216 |
| Unknown | China national standards | MT | 680.0 | USD | 20181216 |
| Unknown | China national standards | MT | 740.0 | USD | 20181215 |
| Unknown | China national standards | MT | 110.0 | USD | 20181215 |
| Unknown | China national standards | MT | 650.0 | USD | 20181215 |
| Unknown | China national standards | MT | 1550.0 | USD | 20181215 |