| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3370.0 | USD | 20180501 |
| Unknown | China national standards | MT | 2660.0 | USD | 20180501 |
| Unknown | China national standards | MT | 2620.0 | USD | 20180418 |
| Unknown | China national standards | MT | 410.0 | USD | 20180416 |
| Unknown | China national standards | MT | 430.0 | USD | 20180415 |
| Unknown | China national standards | MT | 3020.0 | USD | 20180414 |
| Unknown | China national standards | MT | 2620.0 | USD | 20180412 |
| Unknown | China national standards | MT | 3020.0 | USD | 20180411 |
| Unknown | China national standards | MT | 410.0 | USD | 20180401 |
| Unknown | China national standards | MT | 480.0 | USD | 20180401 |