| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 8190.0 | USD | 20190120 |
| Unknown | China national standards | MT | 8080.0 | USD | 20190101 |
| Unknown | China national standards | MT | 1170.0 | USD | 20190101 |
| Unknown | China national standards | MT | 1170.0 | USD | 20190101 |
| Unknown | China national standards | MT | 7870.0 | USD | 20181223 |
| Unknown | China national standards | MT | 7810.0 | USD | 20181222 |
| Unknown | China national standards | MT | 1450.0 | USD | 20181220 |
| Unknown | China national standards | MT | 7870.0 | USD | 20181219 |
| Unknown | China national standards | MT | 1450.0 | USD | 20181218 |
| Unknown | China national standards | MT | 1120.0 | USD | 20181217 |