| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3410.0 | USD | 20180514 |
| Unknown | China national standards | MT | 540.0 | USD | 20180513 |
| Unknown | China national standards | MT | 5730.0 | USD | 20180513 |
| Unknown | China national standards | MT | 33060.0 | USD | 20180513 |
| Unknown | China national standards | MT | 5580.0 | USD | 20180512 |
| Unknown | China national standards | MT | 33060.0 | USD | 20180512 |
| Unknown | China national standards | MT | 5260.0 | USD | 20180511 |
| Unknown | China national standards | MT | 5130.0 | USD | 20180501 |
| Unknown | China national standards | MT | 4700.0 | USD | 20180501 |
| Unknown | China national standards | MT | 5130.0 | USD | 20180501 |