| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 18790.0 | USD | 20200301 |
| Unknown | China national standards | MT | 24840.0 | USD | 20200301 |
| Unknown | China national standards | MT | 22420.0 | USD | 20200223 |
| Unknown | China national standards | MT | 2590.0 | USD | 20200222 |
| Unknown | China national standards | MT | 2730.0 | USD | 20200221 |
| Unknown | China national standards | MT | 2700.0 | USD | 20200221 |
| Unknown | China national standards | MT | 18800.0 | USD | 20200220 |
| Unknown | China national standards | MT | 2470.0 | USD | 20200220 |
| Unknown | China national standards | MT | 18860.0 | USD | 20200219 |
| Unknown | China national standards | MT | 18390.0 | USD | 20200219 |