| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 70.0 | USD | 20200512 |
| Unknown | China national standards | MT | 410.0 | USD | 20200511 |
| Unknown | China national standards | MT | 80.0 | USD | 20200510 |
| Unknown | China national standards | MT | 70.0 | USD | 20200510 |
| Unknown | China national standards | MT | 650.0 | USD | 20200501 |
| Unknown | China national standards | MT | 650.0 | USD | 20200501 |
| Unknown | China national standards | MT | 670.0 | USD | 20200501 |
| Unknown | China national standards | MT | 580.0 | USD | 20200501 |
| Unknown | China national standards | MT | 530.0 | USD | 20200501 |
| Unknown | China national standards | MT | 820.0 | USD | 20200501 |