| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1590.0 | USD | 20191212 |
| Unknown | China national standards | MT | 1100.0 | USD | 20191210 |
| Unknown | China national standards | MT | 2190.0 | USD | 20191201 |
| Unknown | China national standards | MT | 1660.0 | USD | 20191201 |
| Unknown | China national standards | MT | 1100.0 | USD | 20191201 |
| Unknown | China national standards | MT | 240.0 | USD | 20191201 |
| Unknown | China national standards | MT | 230.0 | USD | 20191123 |
| Unknown | China national standards | MT | 280.0 | USD | 20191121 |
| Unknown | China national standards | MT | 230.0 | USD | 20191120 |
| Unknown | China national standards | MT | 1650.0 | USD | 20191120 |