| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 820.0 | USD | 20190523 |
| Unknown | China national standards | MT | 120.0 | USD | 20190522 |
| Unknown | China national standards | MT | 750.0 | USD | 20190522 |
| Unknown | China national standards | MT | 130.0 | USD | 20190522 |
| Unknown | China national standards | MT | 120.0 | USD | 20190521 |
| Unknown | China national standards | MT | 1130.0 | USD | 20190521 |
| Unknown | China national standards | MT | 120.0 | USD | 20190520 |
| Unknown | China national standards | MT | 810.0 | USD | 20190520 |
| Unknown | China national standards | MT | 810.0 | USD | 20190520 |
| Unknown | China national standards | MT | 1130.0 | USD | 20190520 |