| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 160.0 | USD | 20190419 |
| Unknown | China national standards | MT | 100.0 | USD | 20190419 |
| Unknown | China national standards | MT | 100.0 | USD | 20190418 |
| Unknown | China national standards | MT | 550.0 | USD | 20190418 |
| Unknown | China national standards | MT | 1100.0 | USD | 20190418 |
| Unknown | China national standards | MT | 100.0 | USD | 20190416 |
| Unknown | China national standards | MT | 100.0 | USD | 20190416 |
| Unknown | China national standards | MT | 160.0 | USD | 20190414 |
| Unknown | China national standards | MT | 670.0 | USD | 20190414 |
| Unknown | China national standards | MT | 530.0 | USD | 20190413 |