| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 100.0 | USD | 20190601 |
| Unknown | China national standards | MT | 120.0 | USD | 20190601 |
| Unknown | China national standards | MT | 90.0 | USD | 20190523 |
| Unknown | China national standards | MT | 100.0 | USD | 20190523 |
| Unknown | China national standards | MT | 660.0 | USD | 20190523 |
| Unknown | China national standards | MT | 520.0 | USD | 20190523 |
| Unknown | China national standards | MT | 670.0 | USD | 20190522 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190522 |
| Unknown | China national standards | MT | 880.0 | USD | 20190521 |
| Unknown | China national standards | MT | 610.0 | USD | 20190521 |