| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 2680.0 | USD | 20190323 |
| Unknown | China national standards | MT | 2640.0 | USD | 20190321 |
| Unknown | China national standards | MT | 29960.0 | USD | 20190319 |
| Unknown | China national standards | MT | 17790.0 | USD | 20190318 |
| Unknown | China national standards | MT | 18050.0 | USD | 20190313 |
| Unknown | China national standards | MT | 2630.0 | USD | 20190311 |
| Unknown | China national standards | MT | 4440.0 | USD | 20190301 |
| Unknown | China national standards | MT | 17830.0 | USD | 20190301 |
| Unknown | China national standards | MT | 18090.0 | USD | 20190301 |
| Unknown | China national standards | MT | 2680.0 | USD | 20190301 |