| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 3510.0 | USD | 20180512 |
| Unknown | China national standards | MT | 3340.0 | USD | 20180511 |
| Unknown | China national standards | MT | 3510.0 | USD | 20180511 |
| Unknown | China national standards | MT | 640.0 | USD | 20180511 |
| Unknown | China national standards | MT | 590.0 | USD | 20180510 |
| Unknown | China national standards | MT | 610.0 | USD | 20180501 |
| Unknown | China national standards | MT | 560.0 | USD | 20180501 |
| Unknown | China national standards | MT | 530.0 | USD | 20180501 |
| Unknown | China national standards | MT | 560.0 | USD | 20180501 |
| Unknown | China national standards | MT | 640.0 | USD | 20180501 |