| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 17210.0 | USD | 20200221 |
| Unknown | China national standards | MT | 4280.0 | USD | 20200220 |
| Unknown | China national standards | MT | 4280.0 | USD | 20200219 |
| Unknown | China national standards | MT | 2800.0 | USD | 20200217 |
| Unknown | China national standards | MT | 2470.0 | USD | 20200214 |
| Unknown | China national standards | MT | 19510.0 | USD | 20200213 |
| Unknown | China national standards | MT | 4500.0 | USD | 20200213 |
| Unknown | China national standards | MT | 29600.0 | USD | 20200212 |
| Unknown | China national standards | MT | 2470.0 | USD | 20200210 |
| Unknown | China national standards | MT | 31410.0 | USD | 20200201 |