| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3100.0 | USD | 20180101 |
| Unknown | China national standards | MT | 50.0 | USD | 20180101 |
| Unknown | China national standards | MT | 300.0 | USD | 20171123 |
| Unknown | China national standards | MT | 40.0 | USD | 20171123 |
| Unknown | China national standards | MT | 290.0 | USD | 20171122 |
| Unknown | China national standards | MT | 430.0 | USD | 20171122 |
| Unknown | China national standards | MT | 40.0 | USD | 20171117 |
| Unknown | China national standards | MT | 50.0 | USD | 20171116 |
| Unknown | China national standards | MT | 190.0 | USD | 20171114 |
| Unknown | China national standards | MT | 2860.0 | USD | 20171113 |