| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 17870.0 | USD | 20180612 |
| Unknown | China national standards | MT | 290.0 | USD | 20180610 |
| Unknown | China national standards | MT | 7180.0 | USD | 20180601 |
| Unknown | China national standards | MT | 290.0 | USD | 20180601 |
| Unknown | China national standards | MT | 2800.0 | USD | 20180601 |
| Unknown | China national standards | MT | 1870.0 | USD | 20180601 |
| Unknown | China national standards | MT | 170.0 | USD | 20180523 |
| Unknown | China national standards | MT | 600.0 | USD | 20180521 |
| Unknown | China national standards | MT | 1080.0 | USD | 20180521 |
| Unknown | China national standards | MT | 1210.0 | USD | 20180520 |