| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 9830.0 | USD | 20180201 |
| Unknown | China national standards | MT | 11090.0 | USD | 20180201 |
| Unknown | China national standards | MT | 9180.0 | USD | 20180121 |
| Unknown | China national standards | MT | 60600.0 | USD | 20180117 |
| Unknown | China national standards | MT | 58140.0 | USD | 20180117 |
| Unknown | China national standards | MT | 8770.0 | USD | 20180115 |
| Unknown | China national standards | MT | 8770.0 | USD | 20180115 |
| Unknown | China national standards | MT | 59850.0 | USD | 20180111 |
| Unknown | China national standards | MT | 57250.0 | USD | 20180101 |
| Unknown | China national standards | MT | 9020.0 | USD | 20180101 |