| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1570.0 | USD | 20191220 |
| Unknown | China national standards | MT | 11020.0 | USD | 20191220 |
| Unknown | China national standards | MT | 1530.0 | USD | 20191219 |
| Unknown | China national standards | MT | 2090.0 | USD | 20191217 |
| Unknown | China national standards | MT | 10670.0 | USD | 20191215 |
| Unknown | China national standards | MT | 2080.0 | USD | 20191215 |
| Unknown | China national standards | MT | 1570.0 | USD | 20191213 |
| Unknown | China national standards | MT | 10660.0 | USD | 20191212 |
| Unknown | China national standards | MT | 14660.0 | USD | 20191211 |
| Unknown | China national standards | MT | 10320.0 | USD | 20191201 |