| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 700.0 | USD | 20200520 |
| Unknown | China national standards | MT | 5110.0 | USD | 20200519 |
| Unknown | China national standards | MT | 4960.0 | USD | 20200519 |
| Unknown | China national standards | MT | 660.0 | USD | 20200517 |
| Unknown | China national standards | MT | 730.0 | USD | 20200514 |
| Unknown | China national standards | MT | 4970.0 | USD | 20200513 |
| Unknown | China national standards | MT | 730.0 | USD | 20200512 |
| Unknown | China national standards | MT | 690.0 | USD | 20200511 |
| Unknown | China national standards | MT | 4650.0 | USD | 20200501 |
| Unknown | China national standards | MT | 5140.0 | USD | 20200501 |