| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 910.0 | USD | 20190516 |
| Unknown | China national standards | MT | 1090.0 | USD | 20190515 |
| Unknown | China national standards | MT | 160.0 | USD | 20190515 |
| Unknown | China national standards | MT | 140.0 | USD | 20190514 |
| Unknown | China national standards | MT | 910.0 | USD | 20190514 |
| Unknown | China national standards | MT | 160.0 | USD | 20190513 |
| Unknown | China national standards | MT | 790.0 | USD | 20190513 |
| Unknown | China national standards | MT | 900.0 | USD | 20190513 |
| Unknown | China national standards | MT | 1060.0 | USD | 20190512 |
| Unknown | China national standards | MT | 1100.0 | USD | 20190511 |