| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 24590.0 | USD | 20180521 |
| Unknown | China national standards | MT | 26150.0 | USD | 20180519 |
| Unknown | China national standards | MT | 26550.0 | USD | 20180519 |
| Unknown | China national standards | MT | 26280.0 | USD | 20180516 |
| Unknown | China national standards | MT | 4280.0 | USD | 20180515 |
| Unknown | China national standards | MT | 4290.0 | USD | 20180514 |
| Unknown | China national standards | MT | 24790.0 | USD | 20180514 |
| Unknown | China national standards | MT | 4150.0 | USD | 20180514 |
| Unknown | China national standards | MT | 4150.0 | USD | 20180514 |
| Unknown | China national standards | MT | 4210.0 | USD | 20180514 |