| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20191217 |
| Unknown | China national standards | MT | 1530.0 | USD | 20191217 |
| Unknown | China national standards | MT | 720.0 | USD | 20191216 |
| Unknown | China national standards | MT | 100.0 | USD | 20191214 |
| Unknown | China national standards | MT | 670.0 | USD | 20191214 |
| Unknown | China national standards | MT | 90.0 | USD | 20191213 |
| Unknown | China national standards | MT | 600.0 | USD | 20191201 |
| Unknown | China national standards | MT | 670.0 | USD | 20191201 |
| Unknown | China national standards | MT | 600.0 | USD | 20191201 |
| Unknown | China national standards | MT | 710.0 | USD | 20191201 |