| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 50.0 | USD | 20191211 |
| Unknown | China national standards | MT | 370.0 | USD | 20191211 |
| Unknown | China national standards | MT | 360.0 | USD | 20191210 |
| Unknown | China national standards | MT | 50.0 | USD | 20191210 |
| Unknown | China national standards | MT | 400.0 | USD | 20191201 |
| Unknown | China national standards | MT | 350.0 | USD | 20191201 |
| Unknown | China national standards | MT | 590.0 | USD | 20191201 |
| Unknown | China national standards | MT | 370.0 | USD | 20191201 |
| Unknown | China national standards | MT | 520.0 | USD | 20191201 |
| Unknown | China national standards | MT | 360.0 | USD | 20191201 |