| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 189200.0 | USD | 20190523 |
| Unknown | China national standards | MT | 28190.0 | USD | 20190522 |
| Unknown | China national standards | MT | 1480.0 | USD | 20190522 |
| Unknown | China national standards | MT | 220.0 | USD | 20190522 |
| Unknown | China national standards | MT | 480.0 | USD | 20190520 |
| Unknown | China national standards | MT | 30.0 | USD | 20190519 |
| Unknown | China national standards | MT | 2110.0 | USD | 20190519 |
| Unknown | China national standards | MT | 3250.0 | USD | 20190518 |
| Unknown | China national standards | MT | 320.0 | USD | 20190517 |
| Unknown | China national standards | MT | 2810.0 | USD | 20190517 |