| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1240.0 | USD | 20180420 |
| Unknown | China national standards | MT | 5220.0 | USD | 20180418 |
| Unknown | China national standards | MT | 220.0 | USD | 20180417 |
| Unknown | China national standards | MT | 1250.0 | USD | 20180416 |
| Unknown | China national standards | MT | 1360.0 | USD | 20180415 |
| Unknown | China national standards | MT | 200.0 | USD | 20180414 |
| Unknown | China national standards | MT | 5210.0 | USD | 20180414 |
| Unknown | China national standards | MT | 190.0 | USD | 20180411 |
| Unknown | China national standards | MT | 190.0 | USD | 20180411 |
| Unknown | China national standards | MT | 820.0 | USD | 20180401 |