| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1710.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1430.0 | USD | 20190501 |
| Unknown | China national standards | MT | 200.0 | USD | 20190501 |
| Unknown | China national standards | MT | 210.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1270.0 | USD | 20190422 |
| Unknown | China national standards | MT | 190.0 | USD | 20190420 |
| Unknown | China national standards | MT | 230.0 | USD | 20190419 |
| Unknown | China national standards | MT | 1540.0 | USD | 20190419 |
| Unknown | China national standards | MT | 200.0 | USD | 20190417 |
| Unknown | China national standards | MT | 1270.0 | USD | 20190417 |