| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 6320.0 | USD | 20180618 |
| Unknown | China national standards | MT | 6330.0 | USD | 20180613 |
| Unknown | China national standards | MT | 5780.0 | USD | 20180612 |
| Unknown | China national standards | MT | 910.0 | USD | 20180610 |
| Unknown | China national standards | MT | 850.0 | USD | 20180601 |
| Unknown | China national standards | MT | 4900.0 | USD | 20180601 |
| Unknown | China national standards | MT | 770.0 | USD | 20180601 |
| Unknown | China national standards | MT | 5440.0 | USD | 20180601 |
| Unknown | China national standards | MT | 6810.0 | USD | 20180523 |
| Unknown | China national standards | MT | 4750.0 | USD | 20180522 |