| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 220.0 | USD | 20190421 |
| Unknown | China national standards | MT | 1510.0 | USD | 20190421 |
| Unknown | China national standards | MT | 180.0 | USD | 20190419 |
| Unknown | China national standards | MT | 510.0 | USD | 20190419 |
| Unknown | China national standards | MT | 200.0 | USD | 20190419 |
| Unknown | China national standards | MT | 1360.0 | USD | 20190419 |
| Unknown | China national standards | MT | 200.0 | USD | 20190418 |
| Unknown | China national standards | MT | 200.0 | USD | 20190417 |
| Unknown | China national standards | MT | 1480.0 | USD | 20190417 |
| Unknown | China national standards | MT | 1240.0 | USD | 20190416 |