| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1730.0 | USD | 20190316 |
| Unknown | China national standards | MT | 230.0 | USD | 20190314 |
| Unknown | China national standards | MT | 260.0 | USD | 20190313 |
| Unknown | China national standards | MT | 250.0 | USD | 20190312 |
| Unknown | China national standards | MT | 210.0 | USD | 20190311 |
| Unknown | China national standards | MT | 1730.0 | USD | 20190310 |
| Unknown | China national standards | MT | 1580.0 | USD | 20190310 |
| Unknown | China national standards | MT | 1450.0 | USD | 20190301 |
| Unknown | China national standards | MT | 1730.0 | USD | 20190301 |
| Unknown | China national standards | MT | 230.0 | USD | 20190301 |