| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 500.0 | USD | 20180501 |
| Unknown | China national standards | MT | 150.0 | USD | 20180501 |
| Unknown | China national standards | MT | 250.0 | USD | 20180422 |
| Unknown | China national standards | MT | 300.0 | USD | 20180421 |
| Unknown | China national standards | MT | 2210.0 | USD | 20180419 |
| Unknown | China national standards | MT | 2210.0 | USD | 20180419 |
| Unknown | China national standards | MT | 14020.0 | USD | 20180416 |
| Unknown | China national standards | MT | 1710.0 | USD | 20180413 |
| Unknown | China national standards | MT | 30.0 | USD | 20180411 |
| Unknown | China national standards | MT | 250.0 | USD | 20180411 |