| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 690.0 | USD | 20190621 |
| Unknown | China national standards | MT | 530.0 | USD | 20190618 |
| Unknown | China national standards | MT | 3620.0 | USD | 20190618 |
| Unknown | China national standards | MT | 4590.0 | USD | 20190618 |
| Unknown | China national standards | MT | 2890.0 | USD | 20190618 |
| Unknown | China national standards | MT | 430.0 | USD | 20190615 |
| Unknown | China national standards | MT | 3780.0 | USD | 20190615 |
| Unknown | China national standards | MT | 430.0 | USD | 20190614 |
| Unknown | China national standards | MT | 2890.0 | USD | 20190614 |
| Unknown | China national standards | MT | 530.0 | USD | 20190612 |