| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20200215 |
| Unknown | China national standards | MT | 100.0 | USD | 20200214 |
| Unknown | China national standards | MT | 680.0 | USD | 20200213 |
| Unknown | China national standards | MT | 100.0 | USD | 20200213 |
| Unknown | China national standards | MT | 670.0 | USD | 20200213 |
| Unknown | China national standards | MT | 680.0 | USD | 20200212 |
| Unknown | China national standards | MT | 100.0 | USD | 20200211 |
| Unknown | China national standards | MT | 100.0 | USD | 20200211 |
| Unknown | China national standards | MT | 670.0 | USD | 20200210 |
| Unknown | China national standards | MT | 100.0 | USD | 20200210 |