| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 810.0 | USD | 20190523 |
| Unknown | China national standards | MT | 130.0 | USD | 20190523 |
| Unknown | China national standards | MT | 140.0 | USD | 20190522 |
| Unknown | China national standards | MT | 500.0 | USD | 20190522 |
| Unknown | China national standards | MT | 680.0 | USD | 20190522 |
| Unknown | China national standards | MT | 1470.0 | USD | 20190521 |
| Unknown | China national standards | MT | 670.0 | USD | 20190521 |
| Unknown | China national standards | MT | 110.0 | USD | 20190520 |
| Unknown | China national standards | MT | 680.0 | USD | 20190520 |
| Unknown | China national standards | MT | 2600.0 | USD | 20190520 |