| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7590.0 | USD | 20190616 |
| Unknown | China national standards | MT | 8110.0 | USD | 20190615 |
| Unknown | China national standards | MT | 1240.0 | USD | 20190614 |
| Unknown | China national standards | MT | 7340.0 | USD | 20190613 |
| Unknown | China national standards | MT | 1170.0 | USD | 20190613 |
| Unknown | China national standards | MT | 1130.0 | USD | 20190612 |
| Unknown | China national standards | MT | 8130.0 | USD | 20190612 |
| Unknown | China national standards | MT | 1180.0 | USD | 20190611 |
| Unknown | China national standards | MT | 2780.0 | USD | 20190611 |
| Unknown | China national standards | MT | 1170.0 | USD | 20190611 |