| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 710.0 | USD | 20190318 |
| Unknown | China national standards | MT | 110.0 | USD | 20190317 |
| Unknown | China national standards | MT | 3530.0 | USD | 20190313 |
| Unknown | China national standards | MT | 110.0 | USD | 20190310 |
| Unknown | China national standards | MT | 530.0 | USD | 20190301 |
| Unknown | China national standards | MT | 450.0 | USD | 20190301 |
| Unknown | China national standards | MT | 710.0 | USD | 20190301 |
| Unknown | China national standards | MT | 197530.0 | USD | 20190301 |
| Unknown | China national standards | MT | 3030.0 | USD | 20190301 |
| Unknown | China national standards | MT | 530.0 | USD | 20190301 |