| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 23830.0 | USD | 20180218 |
| Unknown | China national standards | MT | 23020.0 | USD | 20180218 |
| Unknown | China national standards | MT | 144890.0 | USD | 20180214 |
| Unknown | China national standards | MT | 150640.0 | USD | 20180211 |
| Unknown | China national standards | MT | 23160.0 | USD | 20180201 |
| Unknown | China national standards | MT | 22060.0 | USD | 20180201 |
| Unknown | China national standards | MT | 145770.0 | USD | 20180201 |
| Unknown | China national standards | MT | 22060.0 | USD | 20180201 |
| Unknown | China national standards | MT | 21520.0 | USD | 20180121 |
| Unknown | China national standards | MT | 23690.0 | USD | 20180120 |