| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1010.0 | USD | 20180513 |
| Unknown | China national standards | MT | 980.0 | USD | 20180512 |
| Unknown | China national standards | MT | 980.0 | USD | 20180512 |
| Unknown | China national standards | MT | 810.0 | USD | 20180511 |
| Unknown | China national standards | MT | 720.0 | USD | 20180510 |
| Unknown | China national standards | MT | 1120.0 | USD | 20180510 |
| Unknown | China national standards | MT | 400.0 | USD | 20180501 |
| Unknown | China national standards | MT | 120.0 | USD | 20180501 |
| Unknown | China national standards | MT | 130.0 | USD | 20180501 |
| Unknown | China national standards | MT | 130.0 | USD | 20180501 |