| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 360.0 | USD | 20180519 |
| Unknown | China national standards | MT | 360.0 | USD | 20180519 |
| Unknown | China national standards | MT | 380.0 | USD | 20180517 |
| Unknown | China national standards | MT | 210.0 | USD | 20180513 |
| Unknown | China national standards | MT | 2290.0 | USD | 20180513 |
| Unknown | China national standards | MT | 2570.0 | USD | 20180512 |
| Unknown | China national standards | MT | 2450.0 | USD | 20180511 |
| Unknown | China national standards | MT | 2380.0 | USD | 20180510 |
| Unknown | China national standards | MT | 2870.0 | USD | 20180501 |
| Unknown | China national standards | MT | 1300.0 | USD | 20180501 |