| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 55020.0 | USD | 20180517 |
| Unknown | China national standards | MT | 54960.0 | USD | 20180516 |
| Unknown | China national standards | MT | 10740.0 | USD | 20180514 |
| Unknown | China national standards | MT | 8780.0 | USD | 20180512 |
| Unknown | China national standards | MT | 8780.0 | USD | 20180511 |
| Unknown | China national standards | MT | 67440.0 | USD | 20180501 |
| Unknown | China national standards | MT | 8980.0 | USD | 20180423 |
| Unknown | China national standards | MT | 57070.0 | USD | 20180415 |
| Unknown | China national standards | MT | 10640.0 | USD | 20180413 |
| Unknown | China national standards | MT | 9000.0 | USD | 20180401 |