| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 420.0 | USD | 20190517 |
| Unknown | China national standards | MT | 420.0 | USD | 20190515 |
| Unknown | China national standards | MT | 30.0 | USD | 20190514 |
| Unknown | China national standards | MT | 190.0 | USD | 20190513 |
| Unknown | China national standards | MT | 320.0 | USD | 20190512 |
| Unknown | China national standards | MT | 200.0 | USD | 20190501 |
| Unknown | China national standards | MT | 2160.0 | USD | 20190501 |
| Unknown | China national standards | MT | 194000.0 | USD | 20190501 |
| Unknown | China national standards | MT | 2880.0 | USD | 20190501 |
| Unknown | China national standards | MT | 1520.0 | USD | 20190501 |