| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7160.0 | USD | 20190701 |
| Unknown | China national standards | MT | 7020.0 | USD | 20190701 |
| Unknown | China national standards | MT | 5160.0 | USD | 20190623 |
| Unknown | China national standards | MT | 1710.0 | USD | 20190622 |
| Unknown | China national standards | MT | 1010.0 | USD | 20190621 |
| Unknown | China national standards | MT | 11800.0 | USD | 20190621 |
| Unknown | China national standards | MT | 940.0 | USD | 20190620 |
| Unknown | China national standards | MT | 5720.0 | USD | 20190620 |
| Unknown | China national standards | MT | 720.0 | USD | 20190620 |
| Unknown | China national standards | MT | 7540.0 | USD | 20190620 |