| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 420.0 | USD | 20200223 |
| Unknown | China national standards | MT | 410.0 | USD | 20200219 |
| Unknown | China national standards | MT | 40.0 | USD | 20200217 |
| Unknown | China national standards | MT | 12310.0 | USD | 20200216 |
| Unknown | China national standards | MT | 420.0 | USD | 20200216 |
| Unknown | China national standards | MT | 290.0 | USD | 20200215 |
| Unknown | China national standards | MT | 12310.0 | USD | 20200214 |
| Unknown | China national standards | MT | 2940.0 | USD | 20200213 |
| Unknown | China national standards | MT | 60.0 | USD | 20200212 |
| Unknown | China national standards | MT | 150.0 | USD | 20200210 |