| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1010.0 | USD | 20190622 |
| Unknown | China national standards | MT | 1010.0 | USD | 20190620 |
| Unknown | China national standards | MT | 920.0 | USD | 20190619 |
| Unknown | China national standards | MT | 150.0 | USD | 20190618 |
| Unknown | China national standards | MT | 1000.0 | USD | 20190617 |
| Unknown | China national standards | MT | 770.0 | USD | 20190614 |
| Unknown | China national standards | MT | 180.0 | USD | 20190614 |
| Unknown | China national standards | MT | 140.0 | USD | 20190614 |
| Unknown | China national standards | MT | 110.0 | USD | 20190612 |
| Unknown | China national standards | MT | 1220.0 | USD | 20190611 |