| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 940.0 | USD | 20190421 |
| Unknown | China national standards | MT | 150.0 | USD | 20190421 |
| Unknown | China national standards | MT | 27420.0 | USD | 20190419 |
| Unknown | China national standards | MT | 940.0 | USD | 20190419 |
| Unknown | China national standards | MT | 840.0 | USD | 20190418 |
| Unknown | China national standards | MT | 140.0 | USD | 20190417 |
| Unknown | China national standards | MT | 600.0 | USD | 20190417 |
| Unknown | China national standards | MT | 140.0 | USD | 20190416 |
| Unknown | China national standards | MT | 600.0 | USD | 20190416 |
| Unknown | China national standards | MT | 27400.0 | USD | 20190416 |