| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 81140.0 | USD | 20180423 |
| Unknown | China national standards | MT | 79390.0 | USD | 20180413 |
| Unknown | China national standards | MT | 81400.0 | USD | 20180412 |
| Unknown | China national standards | MT | 503400.0 | USD | 20180401 |
| Unknown | China national standards | MT | 515630.0 | USD | 20180401 |
| Unknown | China national standards | MT | 503400.0 | USD | 20180401 |
| Unknown | China national standards | MT | 515630.0 | USD | 20180401 |
| Unknown | China national standards | MT | 79410.0 | USD | 20180401 |
| Unknown | China national standards | MT | 492390.0 | USD | 20180323 |
| Unknown | China national standards | MT | 493200.0 | USD | 20180322 |