| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 880.0 | USD | 20190317 |
| Unknown | China national standards | MT | 6320.0 | USD | 20190316 |
| Unknown | China national standards | MT | 5840.0 | USD | 20190315 |
| Unknown | China national standards | MT | 5850.0 | USD | 20190314 |
| Unknown | China national standards | MT | 860.0 | USD | 20190313 |
| Unknown | China national standards | MT | 1160.0 | USD | 20190312 |
| Unknown | China national standards | MT | 5900.0 | USD | 20190310 |
| Unknown | China national standards | MT | 5930.0 | USD | 20190301 |
| Unknown | China national standards | MT | 940.0 | USD | 20190301 |
| Unknown | China national standards | MT | 870.0 | USD | 20190301 |