| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 320.0 | USD | 20190522 |
| Unknown | China national standards | MT | 50.0 | USD | 20190521 |
| Unknown | China national standards | MT | 1300.0 | USD | 20190521 |
| Unknown | China national standards | MT | 250.0 | USD | 20190520 |
| Unknown | China national standards | MT | 18420.0 | USD | 20190519 |
| Unknown | China national standards | MT | 120.0 | USD | 20190519 |
| Unknown | China national standards | MT | 1110.0 | USD | 20190519 |
| Unknown | China national standards | MT | 40.0 | USD | 20190519 |
| Unknown | China national standards | MT | 2740.0 | USD | 20190519 |
| Unknown | China national standards | MT | 2110.0 | USD | 20190518 |