| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 170.0 | USD | 20180101 |
| Unknown | China national standards | MT | 660.0 | USD | 20180101 |
| Unknown | China national standards | MT | 170.0 | USD | 20180101 |
| Unknown | China national standards | MT | 1110.0 | USD | 20171223 |
| Unknown | China national standards | MT | 170.0 | USD | 20171222 |
| Unknown | China national standards | MT | 5470.0 | USD | 20171221 |
| Unknown | China national standards | MT | 1350.0 | USD | 20171221 |
| Unknown | China national standards | MT | 1300.0 | USD | 20171219 |
| Unknown | China national standards | MT | 8720.0 | USD | 20171219 |
| Unknown | China national standards | MT | 760.0 | USD | 20171219 |