| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 26890.0 | USD | 20190301 |
| Unknown | China national standards | MT | 4190.0 | USD | 20190301 |
| Unknown | China national standards | MT | 4020.0 | USD | 20190223 |
| Unknown | China national standards | MT | 26830.0 | USD | 20190222 |
| Unknown | China national standards | MT | 27300.0 | USD | 20190220 |
| Unknown | China national standards | MT | 3940.0 | USD | 20190220 |
| Unknown | China national standards | MT | 27230.0 | USD | 20190214 |
| Unknown | China national standards | MT | 27180.0 | USD | 20190213 |
| Unknown | China national standards | MT | 3990.0 | USD | 20190213 |
| Unknown | China national standards | MT | 3950.0 | USD | 20190211 |