| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3830.0 | USD | 20190701 |
| Unknown | China national standards | MT | 3220.0 | USD | 20190701 |
| Unknown | China national standards | MT | 3340.0 | USD | 20190701 |
| Unknown | China national standards | MT | 22990.0 | USD | 20190701 |
| Unknown | China national standards | MT | 22980.0 | USD | 20190623 |
| Unknown | China national standards | MT | 3400.0 | USD | 20190619 |
| Unknown | China national standards | MT | 21990.0 | USD | 20190619 |
| Unknown | China national standards | MT | 3280.0 | USD | 20190615 |
| Unknown | China national standards | MT | 22830.0 | USD | 20190613 |
| Unknown | China national standards | MT | 23200.0 | USD | 20190612 |