| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 890.0 | USD | 20200221 |
| Unknown | China national standards | MT | 120.0 | USD | 20200220 |
| Unknown | China national standards | MT | 910.0 | USD | 20200219 |
| Unknown | China national standards | MT | 840.0 | USD | 20200219 |
| Unknown | China national standards | MT | 810.0 | USD | 20200217 |
| Unknown | China national standards | MT | 660.0 | USD | 20200215 |
| Unknown | China national standards | MT | 110.0 | USD | 20200215 |
| Unknown | China national standards | MT | 120.0 | USD | 20200215 |
| Unknown | China national standards | MT | 4600.0 | USD | 20200213 |
| Unknown | China national standards | MT | 660.0 | USD | 20200212 |