| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 620.0 | USD | 20200901 |
| Unknown | China national standards | MT | 1190.0 | USD | 20200901 |
| Unknown | China national standards | MT | 4670.0 | USD | 20200901 |
| Unknown | China national standards | MT | 720.0 | USD | 20200901 |
| Unknown | China national standards | MT | 70.0 | USD | 20200801 |
| Unknown | China national standards | MT | 70.0 | USD | 20200801 |
| Unknown | China national standards | MT | 70.0 | USD | 20200623 |
| Unknown | China national standards | MT | 70.0 | USD | 20200601 |
| Unknown | China national standards | MT | 4380.0 | USD | 20200523 |
| Unknown | China national standards | MT | 31610.0 | USD | 20200523 |