| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 140.0 | USD | 20190418 |
| Unknown | China national standards | MT | 130.0 | USD | 20190417 |
| Unknown | China national standards | MT | 920.0 | USD | 20190416 |
| Unknown | China national standards | MT | 880.0 | USD | 20190416 |
| Unknown | China national standards | MT | 130.0 | USD | 20190414 |
| Unknown | China national standards | MT | 130.0 | USD | 20190414 |
| Unknown | China national standards | MT | 910.0 | USD | 20190414 |
| Unknown | China national standards | MT | 880.0 | USD | 20190414 |
| Unknown | China national standards | MT | 3520.0 | USD | 20190413 |
| Unknown | China national standards | MT | 890.0 | USD | 20190413 |