| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 170.0 | USD | 20180501 |
| Unknown | China national standards | MT | 170.0 | USD | 20180501 |
| Unknown | China national standards | MT | 100.0 | USD | 20180422 |
| Unknown | China national standards | MT | 180.0 | USD | 20180422 |
| Unknown | China national standards | MT | 180.0 | USD | 20180422 |
| Unknown | China national standards | MT | 850.0 | USD | 20180421 |
| Unknown | China national standards | MT | 1570.0 | USD | 20180420 |
| Unknown | China national standards | MT | 250.0 | USD | 20180419 |
| Unknown | China national standards | MT | 1080.0 | USD | 20180418 |
| Unknown | China national standards | MT | 1220.0 | USD | 20180418 |