| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 240.0 | USD | 20190419 |
| Unknown | China national standards | MT | 1810.0 | USD | 20190417 |
| Unknown | China national standards | MT | 1670.0 | USD | 20190417 |
| Unknown | China national standards | MT | 240.0 | USD | 20190416 |
| Unknown | China national standards | MT | 270.0 | USD | 20190416 |
| Unknown | China national standards | MT | 270.0 | USD | 20190415 |
| Unknown | China national standards | MT | 1600.0 | USD | 20190415 |
| Unknown | China national standards | MT | 270.0 | USD | 20190414 |
| Unknown | China national standards | MT | 270.0 | USD | 20190413 |
| Unknown | China national standards | MT | 1580.0 | USD | 20190413 |