| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 194520.0 | USD | 20190416 |
| Unknown | China national standards | MT | 3370.0 | USD | 20190415 |
| Unknown | China national standards | MT | 139870.0 | USD | 20190415 |
| Unknown | China national standards | MT | 194480.0 | USD | 20190415 |
| Unknown | China national standards | MT | 390.0 | USD | 20190414 |
| Unknown | China national standards | MT | 28940.0 | USD | 20190412 |
| Unknown | China national standards | MT | 930.0 | USD | 20190412 |
| Unknown | China national standards | MT | 500.0 | USD | 20190410 |
| Unknown | China national standards | MT | 390.0 | USD | 20190401 |
| Unknown | China national standards | MT | 139700.0 | USD | 20190401 |