| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 460.0 | USD | 20180201 |
| Unknown | China national standards | MT | 290.0 | USD | 20180201 |
| Unknown | China national standards | MT | 400.0 | USD | 20180123 |
| Unknown | China national standards | MT | 530.0 | USD | 20180122 |
| Unknown | China national standards | MT | 280.0 | USD | 20180120 |
| Unknown | China national standards | MT | 400.0 | USD | 20180119 |
| Unknown | China national standards | MT | 280.0 | USD | 20180118 |
| Unknown | China national standards | MT | 1850.0 | USD | 20180115 |
| Unknown | China national standards | MT | 520.0 | USD | 20180114 |
| Unknown | China national standards | MT | 2610.0 | USD | 20180101 |