| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1400.0 | USD | 20200201 |
| Unknown | China national standards | MT | 200.0 | USD | 20191222 |
| Unknown | China national standards | MT | 190.0 | USD | 20191221 |
| Unknown | China national standards | MT | 200.0 | USD | 20191220 |
| Unknown | China national standards | MT | 190.0 | USD | 20191219 |
| Unknown | China national standards | MT | 210.0 | USD | 20191219 |
| Unknown | China national standards | MT | 200.0 | USD | 20191219 |
| Unknown | China national standards | MT | 210.0 | USD | 20191217 |
| Unknown | China national standards | MT | 1460.0 | USD | 20191215 |
| Unknown | China national standards | MT | 210.0 | USD | 20191214 |