| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 240.0 | USD | 20200301 |
| Unknown | China national standards | MT | 30.0 | USD | 20200301 |
| Unknown | China national standards | MT | 80.0 | USD | 20200301 |
| Unknown | China national standards | MT | 310.0 | USD | 20200222 |
| Unknown | China national standards | MT | 800.0 | USD | 20200222 |
| Unknown | China national standards | MT | 120.0 | USD | 20200222 |
| Unknown | China national standards | MT | 30.0 | USD | 20200220 |
| Unknown | China national standards | MT | 30.0 | USD | 20200218 |
| Unknown | China national standards | MT | 470.0 | USD | 20200216 |
| Unknown | China national standards | MT | 30.0 | USD | 20200215 |