| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 15060.0 | USD | 20180415 |
| Unknown | China national standards | MT | 2540.0 | USD | 20180414 |
| Unknown | China national standards | MT | 2500.0 | USD | 20180413 |
| Unknown | China national standards | MT | 2550.0 | USD | 20180412 |
| Unknown | China national standards | MT | 2300.0 | USD | 20180411 |
| Unknown | China national standards | MT | 11960.0 | USD | 20180411 |
| Unknown | China national standards | MT | 14930.0 | USD | 20180410 |
| Unknown | China national standards | MT | 15060.0 | USD | 20180401 |
| Unknown | China national standards | MT | 18000.0 | USD | 20180401 |
| Unknown | China national standards | MT | 17670.0 | USD | 20180401 |