| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1310.0 | USD | 20190314 |
| Unknown | China national standards | MT | 1160.0 | USD | 20190313 |
| Unknown | China national standards | MT | 110.0 | USD | 20190313 |
| Unknown | China national standards | MT | 190.0 | USD | 20190311 |
| Unknown | China national standards | MT | 1160.0 | USD | 20190311 |
| Unknown | China national standards | MT | 870.0 | USD | 20190310 |
| Unknown | China national standards | MT | 840.0 | USD | 20190310 |
| Unknown | China national standards | MT | 720.0 | USD | 20190310 |
| Unknown | China national standards | MT | 2670.0 | USD | 20190301 |
| Unknown | China national standards | MT | 1080.0 | USD | 20190301 |