| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1210.0 | USD | 20190413 |
| Unknown | China national standards | MT | 150.0 | USD | 20190412 |
| Unknown | China national standards | MT | 120.0 | USD | 20190412 |
| Unknown | China national standards | MT | 800.0 | USD | 20190411 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190411 |
| Unknown | China national standards | MT | 160.0 | USD | 20190410 |
| Unknown | China national standards | MT | 160.0 | USD | 20190410 |
| Unknown | China national standards | MT | 800.0 | USD | 20190410 |
| Unknown | China national standards | MT | 1050.0 | USD | 20190410 |
| Unknown | China national standards | MT | 1300.0 | USD | 20190410 |