| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 4340.0 | USD | 20190520 |
| Unknown | China national standards | MT | 740.0 | USD | 20190519 |
| Unknown | China national standards | MT | 4950.0 | USD | 20190519 |
| Unknown | China national standards | MT | 7140.0 | USD | 20190517 |
| Unknown | China national standards | MT | 650.0 | USD | 20190516 |
| Unknown | China national standards | MT | 5270.0 | USD | 20190516 |
| Unknown | China national standards | MT | 4150.0 | USD | 20190515 |
| Unknown | China national standards | MT | 7190.0 | USD | 20190514 |
| Unknown | China national standards | MT | 4760.0 | USD | 20190514 |
| Unknown | China national standards | MT | 620.0 | USD | 20190514 |