| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 20.0 | USD | 20200615 |
| Unknown | China national standards | MT | 20.0 | USD | 20200614 |
| Unknown | China national standards | MT | 470.0 | USD | 20200522 |
| Unknown | China national standards | MT | 19550.0 | USD | 20200522 |
| Unknown | China national standards | MT | 310.0 | USD | 20200521 |
| Unknown | China national standards | MT | 3310.0 | USD | 20200521 |
| Unknown | China national standards | MT | 12920.0 | USD | 20200520 |
| Unknown | China national standards | MT | 90970.0 | USD | 20200519 |
| Unknown | China national standards | MT | 200.0 | USD | 20200518 |
| Unknown | China national standards | MT | 310.0 | USD | 20200518 |