| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1590.0 | USD | 20190415 |
| Unknown | China national standards | MT | 15740.0 | USD | 20190414 |
| Unknown | China national standards | MT | 15990.0 | USD | 20190414 |
| Unknown | China national standards | MT | 1330.0 | USD | 20190413 |
| Unknown | China national standards | MT | 8920.0 | USD | 20190412 |
| Unknown | China national standards | MT | 8180.0 | USD | 20190412 |
| Unknown | China national standards | MT | 2350.0 | USD | 20190411 |
| Unknown | China national standards | MT | 1330.0 | USD | 20190401 |
| Unknown | China national standards | MT | 8930.0 | USD | 20190401 |
| Unknown | China national standards | MT | 23120.0 | USD | 20190401 |