| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 530.0 | USD | 20190813 |
| Unknown | China national standards | MT | 610.0 | USD | 20190813 |
| Unknown | China national standards | MT | 3880.0 | USD | 20190813 |
| Unknown | China national standards | MT | 4060.0 | USD | 20190812 |
| Unknown | China national standards | MT | 3690.0 | USD | 20190812 |
| Unknown | China national standards | MT | 570.0 | USD | 20190810 |
| Unknown | China national standards | MT | 4100.0 | USD | 20190801 |
| Unknown | China national standards | MT | 3770.0 | USD | 20190801 |
| Unknown | China national standards | MT | 4300.0 | USD | 20190801 |
| Unknown | China national standards | MT | 4090.0 | USD | 20190801 |