| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 30.0 | USD | 20200501 |
| Unknown | China national standards | MT | 12990.0 | USD | 20200501 |
| Unknown | China national standards | MT | 6740.0 | USD | 20200422 |
| Unknown | China national standards | MT | 30.0 | USD | 20200422 |
| Unknown | China national standards | MT | 180.0 | USD | 20200421 |
| Unknown | China national standards | MT | 1180.0 | USD | 20200421 |
| Unknown | China national standards | MT | 30.0 | USD | 20200421 |
| Unknown | China national standards | MT | 310.0 | USD | 20200417 |
| Unknown | China national standards | MT | 2180.0 | USD | 20200416 |
| Unknown | China national standards | MT | 6790.0 | USD | 20200415 |