| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 40.0 | USD | 20190422 |
| Unknown | China national standards | MT | 1070.0 | USD | 20190422 |
| Unknown | China national standards | MT | 250.0 | USD | 20190422 |
| Unknown | China national standards | MT | 1070.0 | USD | 20190422 |
| Unknown | China national standards | MT | 570.0 | USD | 20190420 |
| Unknown | China national standards | MT | 920.0 | USD | 20190419 |
| Unknown | China national standards | MT | 160.0 | USD | 20190419 |
| Unknown | China national standards | MT | 570.0 | USD | 20190418 |
| Unknown | China national standards | MT | 80.0 | USD | 20190417 |
| Unknown | China national standards | MT | 250.0 | USD | 20190416 |