| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 447030.0 | USD | 20190416 |
| Unknown | China national standards | MT | 66610.0 | USD | 20190415 |
| Unknown | China national standards | MT | 66610.0 | USD | 20190415 |
| Unknown | China national standards | MT | 446940.0 | USD | 20190414 |
| Unknown | China national standards | MT | 66600.0 | USD | 20190414 |
| Unknown | China national standards | MT | 446210.0 | USD | 20190413 |
| Unknown | China national standards | MT | 66290.0 | USD | 20190411 |
| Unknown | China national standards | MT | 447780.0 | USD | 20190411 |
| Unknown | China national standards | MT | 66630.0 | USD | 20190401 |
| Unknown | China national standards | MT | 66180.0 | USD | 20190401 |