| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 93940.0 | USD | 20190516 |
| Unknown | China national standards | MT | 870.0 | USD | 20190516 |
| Unknown | China national standards | MT | 130.0 | USD | 20190515 |
| Unknown | China national standards | MT | 580.0 | USD | 20190515 |
| Unknown | China national standards | MT | 3610.0 | USD | 20190514 |
| Unknown | China national standards | MT | 178490.02 | USD | 20190514 |
| Unknown | China national standards | MT | 4930.0 | USD | 20190513 |
| Unknown | China national standards | MT | 14150.0 | USD | 20190513 |
| Unknown | China national standards | MT | 33090.0 | USD | 20190512 |
| Unknown | China national standards | MT | 20850.0 | USD | 20190511 |